diff --git a/backend/server.js b/backend/server.js
index e203585..2d5e255 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -263,6 +263,10 @@ function normalizeDepartmentName(value) {
     return String(value || '').trim();
 }
 
+function normalizeProjectName(value) {
+    return String(value || '').trim();
+}
+
 async function syncAssetDepartmentsFromInventory() {
     if (!pool) {
         return;
@@ -1547,6 +1551,17 @@ async function createTables() {
             )
          END`,
 
+        // Asset Projects Table
+        `IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'AssetProjects')
+         BEGIN
+            CREATE TABLE AssetProjects (
+                ProjectId INT PRIMARY KEY IDENTITY(1,1),
+                ProjectName NVARCHAR(150) NOT NULL,
+                CreatedDate DATETIME DEFAULT GETDATE(),
+                UpdatedDate DATETIME DEFAULT GETDATE()
+            )
+         END`,
+
         // Asset Borrow Requests Table
         `IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'AssetBorrowRequests')
          BEGIN
@@ -1614,6 +1629,13 @@ async function createTables() {
         console.error('AssetDepartments index creation error:', err.message);
     }
 
+    // Ensure AssetProjects indexes exist
+    try {
+        await pool.request().query(`IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'UX_AssetProjects_ProjectName') CREATE UNIQUE INDEX UX_AssetProjects_ProjectName ON AssetProjects(ProjectName);`);
+    } catch (err) {
+        console.error('AssetProjects index creation error:', err.message);
+    }
+
     // Ensure AssetBorrowRequests indexes exist
     try {
         await pool.request().query(`IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'IX_AssetBorrowRequests_AssetId') CREATE INDEX IX_AssetBorrowRequests_AssetId ON AssetBorrowRequests(AssetId);`);
@@ -3058,6 +3080,216 @@ app.delete('/api/asset-departments/:id', requireAssetOrAdmin, async (req, res) =
     }
 });
 
+// ==========================================
+// API ROUTES - Asset Projects
+// ==========================================
+
+app.get('/api/asset-projects', async (req, res) => {
+    try {
+        const result = await pool.request().query(`
+            SELECT
+                p.ProjectId,
+                p.ProjectName,
+                p.CreatedDate,
+                p.UpdatedDate,
+                COUNT(ai.AssetId) AS AssetCount
+            FROM AssetProjects p
+            LEFT JOIN AssetInventory ai
+                ON LOWER(LTRIM(RTRIM(ai.Project))) = LOWER(LTRIM(RTRIM(p.ProjectName)))
+            GROUP BY p.ProjectId, p.ProjectName, p.CreatedDate, p.UpdatedDate
+            ORDER BY p.ProjectName ASC
+        `);
+
+        res.json({ success: true, data: result.recordset });
+    } catch (err) {
+        res.status(500).json({ success: false, message: err.message });
+    }
+});
+
+app.post('/api/asset-projects', requireAssetOrAdmin, async (req, res) => {
+    try {
+        const projectName = normalizeProjectName(req.body?.projectName);
+        if (!projectName) {
+            return res.status(400).json({ success: false, message: 'Ten du an la bat buoc' });
+        }
+
+        const existed = await pool.request()
+            .input('projectName', sql.NVarChar, projectName)
+            .query(`
+                SELECT TOP 1 ProjectId
+                FROM AssetProjects
+                WHERE LOWER(LTRIM(RTRIM(ProjectName))) = LOWER(@projectName)
+            `);
+
+        if (existed.recordset.length > 0) {
+            return res.status(409).json({ success: false, message: 'Du an da ton tai' });
+        }
+
+        const inserted = await pool.request()
+            .input('projectName', sql.NVarChar, projectName)
+            .query(`
+                INSERT INTO AssetProjects (ProjectName)
+                VALUES (@projectName);
+                SELECT SCOPE_IDENTITY() AS ProjectId;
+            `);
+
+        res.json({
+            success: true,
+            message: 'Da them du an',
+            projectId: inserted.recordset[0]?.ProjectId
+        });
+    } catch (err) {
+        if (String(err.message || '').includes('UX_AssetProjects_ProjectName')) {
+            return res.status(409).json({ success: false, message: 'Du an da ton tai' });
+        }
+
+        res.status(500).json({ success: false, message: err.message });
+    }
+});
+
+app.put('/api/asset-projects/:id', requireAssetOrAdmin, async (req, res) => {
+    try {
+        const projectId = Number(req.params.id);
+        if (!Number.isInteger(projectId) || projectId <= 0) {
+            return res.status(400).json({ success: false, message: 'Ma du an khong hop le' });
+        }
+
+        const projectName = normalizeProjectName(req.body?.projectName);
+        if (!projectName) {
+            return res.status(400).json({ success: false, message: 'Ten du an la bat buoc' });
+        }
+
+        const currentResult = await pool.request()
+            .input('projectId', sql.Int, projectId)
+            .query(`
+                SELECT ProjectId, ProjectName
+                FROM AssetProjects
+                WHERE ProjectId = @projectId
+            `);
+
+        if (currentResult.recordset.length === 0) {
+            return res.status(404).json({ success: false, message: 'Khong tim thay du an' });
+        }
+
+        const currentProject = currentResult.recordset[0];
+        const currentName = String(currentProject.ProjectName || '').trim();
+
+        if (currentName.toLowerCase() === projectName.toLowerCase()) {
+            return res.json({ success: true, message: 'Da cap nhat du an' });
+        }
+
+        const duplicated = await pool.request()
+            .input('projectName', sql.NVarChar, projectName)
+            .input('projectId', sql.Int, projectId)
+            .query(`
+                SELECT TOP 1 ProjectId
+                FROM AssetProjects
+                WHERE ProjectId <> @projectId
+                  AND LOWER(LTRIM(RTRIM(ProjectName))) = LOWER(@projectName)
+            `);
+
+        if (duplicated.recordset.length > 0) {
+            return res.status(409).json({ success: false, message: 'Du an da ton tai' });
+        }
+
+        const transaction = new sql.Transaction(pool);
+        await transaction.begin();
+
+        try {
+            await new sql.Request(transaction)
+                .input('projectId', sql.Int, projectId)
+                .input('projectName', sql.NVarChar, projectName)
+                .query(`
+                    UPDATE AssetProjects
+                    SET ProjectName = @projectName,
+                        UpdatedDate = GETDATE()
+                    WHERE ProjectId = @projectId
+                `);
+
+            await new sql.Request(transaction)
+                .input('oldProjectName', sql.NVarChar, currentName)
+                .input('newProjectName', sql.NVarChar, projectName)
+                .query(`
+                    UPDATE AssetInventory
+                    SET Project = @newProjectName,
+                        UpdatedDate = GETDATE()
+                    WHERE LOWER(LTRIM(RTRIM(Project))) = LOWER(@oldProjectName)
+                `);
+
+            await transaction.commit();
+            res.json({ success: true, message: 'Da cap nhat du an' });
+        } catch (transactionErr) {
+            try {
+                await transaction.rollback();
+            } catch (rollbackErr) {
+                // Ignore rollback errors if transaction already ended.
+            }
+            throw transactionErr;
+        }
+    } catch (err) {
+        if (String(err.message || '').includes('UX_AssetProjects_ProjectName')) {
+            return res.status(409).json({ success: false, message: 'Du an da ton tai' });
+        }
+
+        res.status(500).json({ success: false, message: err.message });
+    }
+});
+
+app.delete('/api/asset-projects/:id', requireAssetOrAdmin, async (req, res) => {
+    try {
+        const projectId = Number(req.params.id);
+        if (!Number.isInteger(projectId) || projectId <= 0) {
+            return res.status(400).json({ success: false, message: 'Ma du an khong hop le' });
+        }
+
+        const currentResult = await pool.request()
+            .input('projectId', sql.Int, projectId)
+            .query(`
+                SELECT ProjectId, ProjectName
+                FROM AssetProjects
+                WHERE ProjectId = @projectId
+            `);
+
+        if (currentResult.recordset.length === 0) {
+            return res.status(404).json({ success: false, message: 'Khong tim thay du an' });
+        }
+
+        const projectName = String(currentResult.recordset[0].ProjectName || '').trim();
+        const transaction = new sql.Transaction(pool);
+        await transaction.begin();
+
+        try {
+            await new sql.Request(transaction)
+                .input('projectName', sql.NVarChar, projectName)
+                .query(`
+                    UPDATE AssetInventory
+                    SET Project = NULL,
+                        UpdatedDate = GETDATE()
+                    WHERE LOWER(LTRIM(RTRIM(Project))) = LOWER(@projectName)
+                `);
+
+            await new sql.Request(transaction)
+                .input('projectId', sql.Int, projectId)
+                .query(`
+                    DELETE FROM AssetProjects
+                    WHERE ProjectId = @projectId
+                `);
+
+            await transaction.commit();
+            res.json({ success: true, message: 'Da xoa du an' });
+        } catch (transactionErr) {
+            try {
+                await transaction.rollback();
+            } catch (rollbackErr) {
+                // Ignore rollback errors if transaction already ended.
+            }
+            throw transactionErr;
+        }
+    } catch (err) {
+        res.status(500).json({ success: false, message: err.message });
+    }
+});
+
 // ==========================================
 // API ROUTES - Asset Inventory
 // ==========================================
diff --git a/database/setup.sql b/database/setup.sql
index 90eb7ae..cb8a1ce 100644
--- a/database/setup.sql
+++ b/database/setup.sql
@@ -154,7 +154,21 @@ WHERE NOT EXISTS (
 );
 
 -- ===========================================
--- 6. CREATE ASSET BORROW REQUESTS TABLE
+-- 6. CREATE ASSET PROJECTS TABLE
+-- ===========================================
+IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'AssetProjects')
+BEGIN
+    CREATE TABLE AssetProjects (
+        ProjectId INT PRIMARY KEY IDENTITY(1,1),
+        ProjectName NVARCHAR(150) NOT NULL,
+        CreatedDate DATETIME DEFAULT GETDATE(),
+        UpdatedDate DATETIME DEFAULT GETDATE()
+    );
+    PRINT 'Table AssetProjects created successfully.';
+END
+
+-- ===========================================
+-- 7. CREATE ASSET BORROW REQUESTS TABLE
 -- ===========================================
 IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'AssetBorrowRequests')
 BEGIN
@@ -246,7 +260,7 @@ UPDATE AssetBorrowRequests
 SET RequestStatus = ISNULL(NULLIF(LTRIM(RTRIM(RequestStatus)), ''), 'approved');
 
 -- ===========================================
--- 7. CREATE AUDIT LOG TABLE
+-- 8. CREATE AUDIT LOG TABLE
 -- ===========================================
 IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'AuditLog')
 BEGIN
@@ -265,7 +279,7 @@ BEGIN
 END
 
 -- ===========================================
--- 8. CREATE INDEXES
+-- 9. CREATE INDEXES
 -- ===========================================
 IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'IX_Users_Username')
 BEGIN
@@ -302,6 +316,11 @@ BEGIN
     CREATE UNIQUE INDEX UX_AssetDepartments_DepartmentName ON AssetDepartments(DepartmentName);
 END
 
+IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'UX_AssetProjects_ProjectName')
+BEGIN
+    CREATE UNIQUE INDEX UX_AssetProjects_ProjectName ON AssetProjects(ProjectName);
+END
+
 IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'IX_AssetBorrowRequests_AssetId')
 BEGIN
     CREATE INDEX IX_AssetBorrowRequests_AssetId ON AssetBorrowRequests(AssetId);
@@ -325,7 +344,7 @@ END
 PRINT 'Indexes created successfully.';
 
 -- ===========================================
--- 9. INSERT INITIAL DATA
+-- 10. INSERT INITIAL DATA
 -- ===========================================
 
 -- Check if admin user exists
@@ -349,7 +368,7 @@ BEGIN
 END
 
 -- ===========================================
--- 10. DISPLAY DATABASE INFORMATION
+-- 11. DISPLAY DATABASE INFORMATION
 -- ===========================================
 PRINT '';
 PRINT '========================================';
diff --git a/public/js/app.js b/public/js/app.js
index be55593..5b3d780 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -46,6 +46,8 @@ class AccountManager {
         this.assetBorrowProductLoading = false;
         this.assetDepartments = [];
         this.assetDepartmentSearchTerm = '';
+        this.assetProjects = [];
+        this.assetProjectSearchTerm = '';
         this.selectedAssetIds = new Set();
         this.mobileBreakpoint = 900;
         this.boundResizeHandler = null;
@@ -56,6 +58,8 @@ class AccountManager {
         this.pendingBorrowAssetId = undefined;
         this.editingAssetDepartmentId = undefined;
         this.pendingDeleteAssetDepartmentId = undefined;
+        this.editingAssetProjectId = undefined;
+        this.pendingDeleteAssetProjectId = undefined;
         this.assetBorrowRequestType = 'borrow';
         this.pendingAssetRequestRejectId = undefined;
         this.assetBorrowAutoRefreshTimer = undefined;
@@ -174,6 +178,7 @@ class AccountManager {
         await this.fetchAssets();
         await this.fetchAssetBorrows();
         await this.fetchAssetDepartments();
+        await this.fetchAssetProjects();
 
         if (this.canCurrentUserManageAssets()) {
             await this.fetchUsers();
@@ -230,6 +235,10 @@ class AccountManager {
             mainContent.innerHTML = this.getAssetDepartmentsContent();
             this.setupAssetDepartmentListeners();
             this.setupAddButtonListeners();
+        } else if (page === 'asset-projects') {
+            mainContent.innerHTML = this.getAssetProjectsContent();
+            this.setupAssetProjectListeners();
+            this.setupAddButtonListeners();
         } else if (page === 'accounts') {
             mainContent.innerHTML = this.getAccountsContent();
             this.setupAccountRowListeners();
@@ -784,6 +793,59 @@ class AccountManager {
         }
     }
 
+    getUniqueAssetProjectNames() {
+        const rows = Array.isArray(this.assetProjects) ? this.assetProjects : [];
+        const seen = new Set();
+        return rows
+            .map(item => String(item?.ProjectName || '').trim())
+            .filter(name => {
+                if (!name) return false;
+                const key = name.toLowerCase();
+                if (seen.has(key)) return false;
+                seen.add(key);
+                return true;
+            })
+            .sort((a, b) => a.localeCompare(b, 'vi', { sensitivity: 'base' }));
+    }
+
+    refreshAssetProjectOptions(selectedValue = '') {
+        const select = document.getElementById('assetProjectInput');
+        if (!select) {
+            return;
+        }
+
+        const normalizedSelected = String(selectedValue || select.value || '').trim();
+        const projectNames = this.getUniqueAssetProjectNames();
+        select.innerHTML = '';
+
+        const emptyOption = document.createElement('option');
+        emptyOption.value = '';
+        emptyOption.textContent = '-- Chọn dự án --';
+        select.appendChild(emptyOption);
+
+        let hasSelected = false;
+        projectNames.forEach(name => {
+            const option = document.createElement('option');
+            option.value = name;
+            option.textContent = name;
+            if (normalizedSelected && name === normalizedSelected) {
+                option.selected = true;
+                hasSelected = true;
+            }
+            select.appendChild(option);
+        });
+
+        if (normalizedSelected && !hasSelected) {
+            const legacyOption = document.createElement('option');
+            legacyOption.value = normalizedSelected;
+            legacyOption.textContent = normalizedSelected;
+            legacyOption.selected = true;
+            select.appendChild(legacyOption);
+        } else if (!normalizedSelected) {
+            select.value = '';
+        }
+    }
+
     async fetchAssets() {
         try {
             const res = await fetch(`${this.apiBase}/assets`);
@@ -838,6 +900,21 @@ class AccountManager {
         }
     }
 
+    async fetchAssetProjects() {
+        try {
+            const res = await fetch(`${this.apiBase}/asset-projects`);
+            const data = await res.json();
+            if (data.success) {
+                this.assetProjects = Array.isArray(data.data) ? data.data : [];
+                this.refreshAssetProjectOptions(document.getElementById('assetProjectInput')?.value || '');
+            } else {
+                console.error('Load asset projects failed:', data.message);
+            }
+        } catch (err) {
+            console.error('Fetch asset projects error:', err);
+        }
+    }
+
     async fetchRoles() {
         try {
             const res = await fetch(`${this.apiBase}/roles`);
@@ -874,6 +951,7 @@ class AccountManager {
             this.setupAddButtonListeners();
             this.setupFilters();
             this.refreshAssetDepartmentOptions(document.getElementById('assetDepartmentInput')?.value || '');
+            this.refreshAssetProjectOptions(document.getElementById('assetProjectInput')?.value || '');
         } catch (error) {
             console.error('Lỗi load modals:', error);
         }
@@ -885,6 +963,7 @@ class AccountManager {
         const assetSearch = document.getElementById('assetSearch');
         const assetBorrowSearch = document.getElementById('assetBorrowSearch');
         const assetDepartmentSearch = document.getElementById('assetDepartmentSearch');
+        const assetProjectSearch = document.getElementById('assetProjectSearch');
 
         if (accountSearch && accountSearch.dataset.focused === 'true') {
             const pos = accountSearch.selectionStart || accountSearch.value.length;
@@ -915,6 +994,12 @@ class AccountManager {
             assetDepartmentSearch.focus();
             assetDepartmentSearch.setSelectionRange(pos, pos);
         }
+
+        if (assetProjectSearch && assetProjectSearch.dataset.focused === 'true') {
+            const pos = assetProjectSearch.selectionStart || assetProjectSearch.value.length;
+            assetProjectSearch.focus();
+            assetProjectSearch.setSelectionRange(pos, pos);
+        }
     }
 
     setupEventListeners() {
@@ -981,6 +1066,7 @@ class AccountManager {
                 assetForm.dataset.boundSubmit = 'true';
             }
             this.refreshAssetDepartmentOptions(document.getElementById('assetDepartmentInput')?.value || '');
+            this.refreshAssetProjectOptions(document.getElementById('assetProjectInput')?.value || '');
             this.setupAssetStockListeners();
             this.setupAssetFormValidationListeners();
         }
@@ -1043,6 +1129,23 @@ class AccountManager {
             btn.dataset.boundClick = 'true';
         });
 
+        const assetProjectForm = document.getElementById('assetProjectForm');
+        if (assetProjectForm) {
+            if (!assetProjectForm.dataset.boundSubmit) {
+                assetProjectForm.addEventListener('submit', (e) => this.handleAssetProjectSubmit(e));
+                assetProjectForm.dataset.boundSubmit = 'true';
+            }
+        }
+
+        document.querySelectorAll('.confirm-delete-asset-project').forEach(btn => {
+            if (btn.dataset.boundClick === 'true') {
+                return;
+            }
+
+            btn.addEventListener('click', () => this.confirmDeleteAssetProject());
+            btn.dataset.boundClick = 'true';
+        });
+
         // Close when clicking backdrop outside modal content
         document.querySelectorAll('.modal-backdrop').forEach(backdrop => {
             backdrop.addEventListener('click', (evt) => {
@@ -2160,6 +2263,351 @@ class AccountManager {
         }
     }
 
+    getFilteredAssetProjects() {
+        const search = String(this.assetProjectSearchTerm || '').toLowerCase();
+        const source = Array.isArray(this.assetProjects) ? this.assetProjects : [];
+
+        return source.filter(item => {
+            if (!search) {
+                return true;
+            }
+
+            const name = String(item?.ProjectName || '').toLowerCase();
+            return name.includes(search);
+        });
+    }
+
+    buildAssetProjectsRowsHtml(projects = []) {
+        const canManageAssets = this.canCurrentUserManageAssets();
+        if (!projects.length) {
+            return `
+                <tr>
+                    <td colspan="4" class="px-4 py-8 text-sm text-center text-slate-500">Chưa có dự án nào.</td>
+                </tr>
+            `;
+        }
+
+        return projects.map((item, index) => {
+            const projectId = Number(item?.ProjectId);
+            const assetCount = Number(item?.AssetCount) || 0;
+            const projectName = this.escapeHtml(item?.ProjectName || '-');
+
+            return `
+                <tr class="hover:bg-slate-50/80 transition-colors">
+                    <td class="px-4 py-3 text-sm text-slate-600">${index + 1}</td>
+                    <td class="px-4 py-3 text-sm font-semibold text-slate-700">${projectName}</td>
+                    <td class="px-4 py-3 text-sm text-slate-600">${assetCount}</td>
+                    <td class="px-4 py-3 text-right">
+                        <div class="inline-flex items-center gap-1.5">
+                            <button
+                                class="p-1.5 text-slate-400 transition-colors edit-asset-project ${canManageAssets ? 'hover:text-primary' : 'opacity-40 cursor-not-allowed'}"
+                                data-project-id="${projectId}"
+                                ${canManageAssets ? '' : 'disabled'}
+                                title="${canManageAssets ? 'Sửa dự án' : 'Chỉ xem'}"
+                            >
+                                <span class="material-symbols-outlined text-lg">edit</span>
+                            </button>
+                            <button
+                                class="p-1.5 text-slate-400 transition-colors delete-asset-project ${canManageAssets ? 'hover:text-error' : 'opacity-40 cursor-not-allowed'}"
+                                data-project-id="${projectId}"
+                                ${canManageAssets ? '' : 'disabled'}
+                                title="${canManageAssets ? 'Xóa dự án' : 'Chỉ xem'}"
+                            >
+                                <span class="material-symbols-outlined text-lg">delete</span>
+                            </button>
+                        </div>
+                    </td>
+                </tr>
+            `;
+        }).join('');
+    }
+
+    getAssetProjectsContent() {
+        const filteredProjects = this.getFilteredAssetProjects();
+        const canManageAssets = this.canCurrentUserManageAssets();
+
+        return `
+            <div class="asset-projects-page flex flex-col p-4 md:p-6 overflow-hidden h-full">
+                <div class="page-header flex items-center justify-between gap-4 mb-5 shrink-0">
+                    <div>
+                        <h1 class="text-2xl font-extrabold text-on-surface tracking-tight">Quản Lý Dự Án</h1>
+                        <p class="text-sm text-on-surface-variant">Thêm, sửa, xóa danh mục dự án sử dụng trong tài sản.</p>
+                    </div>
+                    <button
+                        id="addAssetProjectBtn"
+                        class="bg-primary text-on-primary px-4 py-2 rounded-lg text-xs font-bold flex items-center gap-1.5 transition-all active:scale-95 ${canManageAssets ? 'hover:bg-primary-dim' : 'opacity-50 cursor-not-allowed'}"
+                        ${canManageAssets ? '' : 'disabled'}
+                    >
+                        <span class="material-symbols-outlined text-base">workspaces</span>
+                        Thêm dự án
+                    </button>
+                </div>
+
+                <div class="page-filters flex items-center gap-3 mb-4 shrink-0">
+                    <div class="flex items-center gap-1.5 flex-1">
+                        <span class="text-[10px] font-bold uppercase text-on-surface-variant">Tìm kiếm</span>
+                        <input
+                            id="assetProjectSearch"
+                            value="${this.escapeHtml(this.assetProjectSearchTerm)}"
+                            class="flex-1 bg-surface-container-low border-slate-200 rounded-md text-[11px] py-1 px-2 focus:ring-1 focus:ring-primary shadow-sm"
+                            placeholder="Nhập tên dự án..."
+                        >
+                    </div>
+                </div>
+
+                <div class="flex-1 bg-white rounded-xl border border-slate-200 shadow-sm flex flex-col overflow-hidden min-h-0">
+                    <div class="table-wrap overflow-y-auto overflow-x-auto flex-1">
+                        <table class="w-full text-left border-collapse">
+                            <thead class="sticky top-0 z-10 bg-slate-50 border-b border-slate-200">
+                                <tr>
+                                    <th class="px-4 py-2.5 text-[10px] font-bold uppercase tracking-wider text-slate-500">STT</th>
+                                    <th class="px-4 py-2.5 text-[10px] font-bold uppercase tracking-wider text-slate-500">Dự án</th>
+                                    <th class="px-4 py-2.5 text-[10px] font-bold uppercase tracking-wider text-slate-500">Sd tài sản</th>
+                                    <th class="px-4 py-2.5 text-[10px] font-bold uppercase tracking-wider text-slate-500 text-right">Thao tác</th>
+                                </tr>
+                            </thead>
+                            <tbody class="divide-y divide-slate-100 asset-projects-table-body">
+                                ${this.buildAssetProjectsRowsHtml(filteredProjects)}
+                            </tbody>
+                        </table>
+                    </div>
+                    <div class="px-4 py-2 border-t border-slate-200 bg-slate-50 text-xs text-slate-600">
+                        Tổng dự án: <span id="assetProjectCount">${filteredProjects.length}</span>
+                    </div>
+                </div>
+            </div>
+        `;
+    }
+
+    renderAssetProjectsTableBody() {
+        const tbody = document.querySelector('.asset-projects-table-body');
+        if (!tbody) {
+            return;
+        }
+
+        const filteredProjects = this.getFilteredAssetProjects();
+        tbody.innerHTML = this.buildAssetProjectsRowsHtml(filteredProjects);
+
+        const countElement = document.getElementById('assetProjectCount');
+        if (countElement) {
+            countElement.textContent = String(filteredProjects.length);
+        }
+
+        this.setupAssetProjectActionListeners();
+    }
+
+    setupAssetProjectActionListeners() {
+        document.querySelectorAll('.edit-asset-project').forEach(btn => {
+            if (btn.dataset.boundClick === 'true') {
+                return;
+            }
+
+            btn.addEventListener('click', () => {
+                const projectId = Number(btn.dataset.projectId);
+                if (!Number.isFinite(projectId)) {
+                    return;
+                }
+                this.handleUpdateAssetProject(projectId);
+            });
+
+            btn.dataset.boundClick = 'true';
+        });
+
+        document.querySelectorAll('.delete-asset-project').forEach(btn => {
+            if (btn.dataset.boundClick === 'true') {
+                return;
+            }
+
+            btn.addEventListener('click', () => {
+                const projectId = Number(btn.dataset.projectId);
+                if (!Number.isFinite(projectId)) {
+                    return;
+                }
+                this.handleDeleteAssetProject(projectId);
+            });
+
+            btn.dataset.boundClick = 'true';
+        });
+    }
+
+    setupAssetProjectListeners() {
+        const searchInput = document.getElementById('assetProjectSearch');
+        if (searchInput && searchInput.dataset.boundInput !== 'true') {
+            searchInput.addEventListener('input', (event) => {
+                this.assetProjectSearchTerm = String(event.target.value || '').trim();
+                this.renderAssetProjectsTableBody();
+            });
+            searchInput.addEventListener('focus', () => {
+                searchInput.dataset.focused = 'true';
+            });
+            searchInput.addEventListener('blur', () => {
+                searchInput.dataset.focused = 'false';
+            });
+            searchInput.dataset.boundInput = 'true';
+        }
+
+        this.setupAssetProjectActionListeners();
+    }
+
+    async refreshAssetProjectsUI() {
+        await this.fetchAssetProjects();
+        if (this.currentPage === 'asset-projects') {
+            this.renderAssetProjectsTableBody();
+        }
+    }
+
+    getAssetProjectById(projectId) {
+        return this.assetProjects.find(item => Number(item?.ProjectId) === Number(projectId)) || null;
+    }
+
+    openAssetProjectModal(project = null) {
+        const modal = document.getElementById('assetProjectModal');
+        const titleNode = document.getElementById('assetProjectModalTitle');
+        const nameInput = document.getElementById('assetProjectNameInput');
+        if (!modal || !nameInput) {
+            this.notifyFailure('Không mở được biểu mẫu dự án');
+            return;
+        }
+
+        const editing = project && Number.isFinite(Number(project.ProjectId));
+        this.editingAssetProjectId = editing ? Number(project.ProjectId) : undefined;
+
+        if (titleNode) {
+            titleNode.textContent = editing ? 'Sửa dự án' : 'Thêm dự án';
+        }
+        nameInput.value = editing ? String(project.ProjectName || '') : '';
+        modal.classList.add('open');
+        nameInput.focus();
+        nameInput.select();
+    }
+
+    openDeleteAssetProjectModal(project) {
+        const modal = document.getElementById('deleteAssetProjectModal');
+        const nameNode = document.getElementById('deleteAssetProjectName');
+        if (!modal) {
+            this.notifyFailure('Không mở được hộp thoại xóa dự án');
+            return;
+        }
+
+        this.pendingDeleteAssetProjectId = Number(project?.ProjectId);
+        if (nameNode) {
+            nameNode.textContent = String(project?.ProjectName || '-');
+        }
+        modal.classList.add('open');
+    }
+
+    async handleCreateAssetProject() {
+        if (!this.ensureAssetManagePermission('thêm dự án')) {
+            return;
+        }
+
+        this.openAssetProjectModal(null);
+    }
+
+    async handleAssetProjectSubmit(event) {
+        event.preventDefault();
+
+        if (!this.ensureAssetManagePermission('thêm hoặc sửa dự án')) {
+            return;
+        }
+
+        const nameInput = document.getElementById('assetProjectNameInput');
+        const projectName = String(nameInput?.value || '').trim();
+        if (!projectName) {
+            this.notifyWarning('Tên dự án là bắt buộc');
+            return;
+        }
+
+        const isEdit = Number.isFinite(Number(this.editingAssetProjectId));
+        const endpoint = isEdit
+            ? `${this.apiBase}/asset-projects/${this.editingAssetProjectId}`
+            : `${this.apiBase}/asset-projects`;
+        const method = isEdit ? 'PUT' : 'POST';
+
+        try {
+            const response = await fetch(endpoint, {
+                method,
+                headers: this.getAuthHeaders(true),
+                body: JSON.stringify({ projectName })
+            });
+            const data = await response.json();
+
+            if (!response.ok || !data.success) {
+                this.notifyFailure(data.message || 'Lưu dự án thất bại');
+                return;
+            }
+
+            this.editingAssetProjectId = undefined;
+            closeAssetProjectModal();
+            this.notifySuccess(isEdit ? 'Cập nhật dự án thành công' : 'Thêm dự án thành công');
+            await this.refreshAssetProjectsUI();
+            await this.refreshAssetsUI();
+        } catch (err) {
+            console.error(err);
+            this.notifyFailure('Lưu dự án thất bại');
+        }
+    }
+
+    async handleUpdateAssetProject(projectId) {
+        if (!this.ensureAssetManagePermission('sửa dự án')) {
+            return;
+        }
+
+        const targetProject = this.getAssetProjectById(projectId);
+        if (!targetProject) {
+            this.notifyWarning('Không tìm thấy dự án');
+            return;
+        }
+
+        this.openAssetProjectModal(targetProject);
+    }
+
+    async handleDeleteAssetProject(projectId) {
+        if (!this.ensureAssetManagePermission('xóa dự án')) {
+            return;
+        }
+
+        const targetProject = this.getAssetProjectById(projectId);
+        if (!targetProject) {
+            this.notifyWarning('Không tìm thấy dự án');
+            return;
+        }
+
+        this.openDeleteAssetProjectModal(targetProject);
+    }
+
+    async confirmDeleteAssetProject() {
+        if (!this.ensureAssetManagePermission('xóa dự án')) {
+            return;
+        }
+
+        if (!Number.isFinite(Number(this.pendingDeleteAssetProjectId))) {
+            return;
+        }
+
+        try {
+            const response = await fetch(`${this.apiBase}/asset-projects/${this.pendingDeleteAssetProjectId}`, {
+                method: 'DELETE',
+                headers: this.getAuthHeaders(false)
+            });
+            const data = await response.json();
+
+            if (!response.ok || !data.success) {
+                this.notifyFailure(data.message || 'Xóa dự án thất bại');
+                return;
+            }
+
+            this.pendingDeleteAssetProjectId = undefined;
+            closeDeleteAssetProjectModal();
+            this.notifySuccess('Xóa dự án thành công');
+            await this.refreshAssetProjectsUI();
+            await this.refreshAssetsUI();
+        } catch (err) {
+            console.error(err);
+            this.notifyFailure('Xóa dự án thất bại');
+        }
+    }
+
     buildAssetBorrowRowHtml(item, rowNumber) {
         const assetName = item.AssetName || '-';
         const assetCode = item.AssetCode ? `<div class="text-[11px] text-slate-500">${this.escapeHtml(item.AssetCode)}</div>` : '';
@@ -3351,7 +3799,7 @@ class AccountManager {
         document.getElementById('assetImportInPeriodInput').value = this.parseNonNegativeInteger(sourceAsset?.ImportInPeriod, 0);
         document.getElementById('assetUnitInput').value = sourceAsset?.Unit || '';
         this.refreshAssetDepartmentOptions(sourceAsset?.Department || '');
-        document.getElementById('assetProjectInput').value = sourceAsset?.Project || '';
+        this.refreshAssetProjectOptions(sourceAsset?.Project || '');
         document.getElementById('assetLocationInput').value = sourceAsset?.Location || '';
         this.refreshAssetCustodianOptions(sourceAsset?.Custodian || '');
 
@@ -3383,6 +3831,7 @@ class AccountManager {
         }
 
         this.refreshAssetDepartmentOptions(document.getElementById('assetDepartmentInput')?.value || '');
+        this.refreshAssetProjectOptions(document.getElementById('assetProjectInput')?.value || '');
 
         if (!this.users.length) {
             this.fetchUsers();
@@ -3796,6 +4245,7 @@ class AccountManager {
     async refreshAssetsUI() {
         await this.fetchAssets();
         await this.fetchAssetDepartments();
+        await this.fetchAssetProjects();
         if (this.currentPage === 'assets') {
             this.renderView('assets');
         }
@@ -5110,6 +5560,12 @@ class AccountManager {
             addAssetDepartmentBtn.dataset.boundClick = 'true';
         }
 
+        const addAssetProjectBtn = document.getElementById('addAssetProjectBtn');
+        if (addAssetProjectBtn && !addAssetProjectBtn.dataset.boundClick) {
+            addAssetProjectBtn.addEventListener('click', () => this.handleCreateAssetProject());
+            addAssetProjectBtn.dataset.boundClick = 'true';
+        }
+
         const addAssetBorrowRequestBtn = document.getElementById('addAssetBorrowRequestBtn');
         if (addAssetBorrowRequestBtn && !addAssetBorrowRequestBtn.dataset.boundClick) {
             addAssetBorrowRequestBtn.addEventListener('click', () => this.openAssetBorrowRequestModal('borrow'));
@@ -6406,6 +6862,20 @@ function closeDeleteAssetDepartmentModal() {
     }
 }
 
+function closeAssetProjectModal() {
+    const modal = document.getElementById('assetProjectModal');
+    if (modal) {
+        modal.classList.remove('open');
+    }
+}
+
+function closeDeleteAssetProjectModal() {
+    const modal = document.getElementById('deleteAssetProjectModal');
+    if (modal) {
+        modal.classList.remove('open');
+    }
+}
+
 function closeUserModal() {
     const userModalContainer = document.getElementById('userModalContainer');
     if (userModalContainer) {
diff --git a/public/modals.html b/public/modals.html
index e47c28f..85451dc 100644
--- a/public/modals.html
+++ b/public/modals.html
@@ -265,7 +265,9 @@
                 </div>
                 <div>
                     <label class="text-[10px] font-bold uppercase text-slate-500 tracking-widest block mb-1">Dự án</label>
-                    <input type="text" id="assetProjectInput" class="w-full border border-slate-200 rounded-lg text-sm py-2.5 px-3" placeholder="AGV / SS demo">
+                    <select id="assetProjectInput" class="w-full border border-slate-200 rounded-lg text-sm py-2.5 px-3">
+                        <option value="">-- Chọn dự án --</option>
+                    </select>
                 </div>
                 <div>
                     <label class="text-[10px] font-bold uppercase text-slate-500 tracking-widest block mb-1">Vị trí</label>
@@ -566,3 +568,42 @@
         </div>
     </div>
 </div>
+
+<!-- Add/Edit Asset Project Modal -->
+<div class="modal-backdrop fixed inset-0 z-[100] flex items-center justify-center bg-black/40 backdrop-blur-sm" id="assetProjectModal">
+    <div class="modal-content w-full max-w-md bg-white rounded-xl shadow-2xl border border-slate-200 overflow-hidden m-4">
+        <div class="px-6 py-4 border-b border-slate-100 flex items-center justify-between bg-slate-50">
+            <h3 class="text-base font-extrabold text-slate-900" id="assetProjectModalTitle">Thêm dự án</h3>
+            <button class="p-1.5 rounded-lg hover:bg-slate-200 text-slate-400 transition-colors" onclick="closeAssetProjectModal()">
+                <span class="material-symbols-outlined">close</span>
+            </button>
+        </div>
+        <form id="assetProjectForm" class="p-6 space-y-4">
+            <div>
+                <label class="text-[10px] font-bold uppercase text-slate-500 tracking-widest block mb-1">Tên dự án</label>
+                <input type="text" id="assetProjectNameInput" class="w-full border border-slate-200 rounded-lg text-sm py-2.5 px-3" required placeholder="Ví dụ: AGV">
+            </div>
+            <div class="flex gap-3">
+                <button type="button" class="flex-1 px-4 py-2 text-xs font-bold text-slate-600 border border-slate-200 rounded-lg" onclick="closeAssetProjectModal()">Hủy</button>
+                <button type="submit" class="flex-1 px-4 py-2 bg-primary hover:bg-primary-dim text-on-primary rounded-lg text-xs font-bold">Lưu</button>
+            </div>
+        </form>
+    </div>
+</div>
+
+<!-- Delete Asset Project Modal -->
+<div class="modal-backdrop fixed inset-0 z-[100] flex items-center justify-center bg-black/40 backdrop-blur-sm" id="deleteAssetProjectModal">
+    <div class="modal-content w-full max-w-md bg-white rounded-xl shadow-2xl border border-slate-200 overflow-hidden m-4">
+        <div class="px-6 py-4 border-b border-slate-100 bg-red-50 flex items-center gap-3">
+            <span class="material-symbols-outlined text-red-600 text-2xl">warning</span>
+            <h3 class="text-base font-extrabold text-red-700">Xóa dự án</h3>
+        </div>
+        <div class="p-6">
+            <p class="text-sm text-slate-600 mb-6">Bạn có chắc muốn xóa dự án <strong id="deleteAssetProjectName">-</strong>? Các tài sản đang gắn dự án này sẽ được để trống dự án.</p>
+            <div class="flex gap-3">
+                <button type="button" class="flex-1 px-4 py-2 text-xs font-bold text-slate-600 border border-slate-200 rounded-lg" onclick="closeDeleteAssetProjectModal()">Hủy</button>
+                <button type="button" class="flex-1 px-4 py-2 bg-red-600 hover:bg-red-700 text-white rounded-lg text-xs font-bold confirm-delete-asset-project">Xóa</button>
+            </div>
+        </div>
+    </div>
+</div>
diff --git a/public/pages/index.html b/public/pages/index.html
index 5b33159..713d17d 100644
--- a/public/pages/index.html
+++ b/public/pages/index.html
@@ -248,6 +248,10 @@
                             <span class="material-symbols-outlined">apartment</span>
                             <span> Phòng Ban</span>
                         </a>
+                        <a href="#asset-projects" data-nav="asset-projects" class="flex items-center gap-3 px-3 py-2 text-slate-600 dark:text-slate-400 hover:text-slate-900 hover:bg-slate-200/50 transition-all group cursor-pointer rounded-r-lg">
+                            <span class="material-symbols-outlined">workspaces</span>
+                            <span>Dự án</span>
+                        </a>
                     </div>
                 </div>