diff --git a/backend/src/index.js b/backend/src/index.js
index eb89d90..11d9887 100644
--- a/backend/src/index.js
+++ b/backend/src/index.js
@@ -7,6 +7,7 @@ const syncRoutes = require('./routes/sync');
 const previewRoutes = require('./routes/preview');
 const userRoutes = require('./routes/user');
 const searchRoutes = require('./routes/search');
+const batchRoutes = require('./routes/batch');
 const errorHandler = require('./middleware/errorHandler');
 
 const app = express();
@@ -15,7 +16,6 @@ const PORT = process.env.PORT || 3000;
 app.use(cors());
 app.use(express.json());
 
-// Routes
 app.use('/api/auth', authRoutes);
 app.use('/api/files', fileRoutes);
 app.use('/api/share', shareRoutes);
@@ -23,11 +23,10 @@ app.use('/api/sync', syncRoutes);
 app.use('/api/preview', previewRoutes);
 app.use('/api/user', userRoutes);
 app.use('/api/search', searchRoutes);
+app.use('/api/batch', batchRoutes);
 
-// Error handler
 app.use(errorHandler);
 
-// Health check
 app.get('/api/health', (req, res) => {
   res.json({ status: 'ok' });
 });
diff --git a/backend/src/routes/batch.js b/backend/src/routes/batch.js
new file mode 100644
index 0000000..77c913d
--- /dev/null
+++ b/backend/src/routes/batch.js
@@ -0,0 +1,56 @@
+const express = require('express');
+const db = require('../db');
+
+const router = express.Router();
+
+// Batch delete files
+router.post('/delete', (req, res) => {
+  const token = req.headers.authorization?.replace('Bearer ', '');
+  if (!token) return res.status(401).json({ error: 'No token' });
+  
+  try {
+    const jwt = require('jsonwebtoken');
+    const decoded = jwt.verify(token, process.env.JWT_SECRET || 'clouddisk-secret-key');
+    
+    const { fileIds } = req.body;
+    
+    if (!Array.isArray(fileIds) || fileIds.length === 0) {
+      return res.status(400).json({ error: 'No files specified' });
+    }
+    
+    const placeholders = fileIds.map(() => '?').join(',');
+    db.run(
+      `UPDATE files SET deleted_at = CURRENT_TIMESTAMP WHERE id IN (${placeholders}) AND user_id = ?`,
+      [...fileIds, decoded.userId]
+    ).then(() => {
+      res.json({ success: true, deleted: fileIds.length });
+    });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Batch move files
+router.post('/move', (req, res) => {
+  const token = req.headers.authorization?.replace('Bearer ', '');
+  if (!token) return res.status(401).json({ error: 'No token' });
+  
+  try {
+    const jwt = require('jsonwebtoken');
+    const decoded = jwt.verify(token, process.env.JWT_SECRET || 'clouddisk-secret-key');
+    
+    const { fileIds, targetFolderId } = req.body;
+    
+    const placeholders = fileIds.map(() => '?').join(',');
+    db.run(
+      `UPDATE files SET parent_id = ?, updated_at = CURRENT_TIMESTAMP WHERE id IN (${placeholders}) AND user_id = ?`,
+      [targetFolderId, ...fileIds, decoded.userId]
+    ).then(() => {
+      res.json({ success: true, moved: fileIds.length });
+    });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+module.exports = router;