diff --git a/backend/src/middlewares/block.ts b/backend/src/middlewares/block.ts
new file mode 100644
index 0000000..a1d2334
--- /dev/null
+++ b/backend/src/middlewares/block.ts
@@ -0,0 +1,74 @@
+import { Request, Response, NextFunction } from 'express';
+
+import { blockService } from '@/services';
+import { transactionHandler } from '@/aops';
+import { BlockDoc } from '@/models';
+
+export const create = transactionHandler(
+  async (req: Request, res: Response, next: NextFunction): Promise<void> => {
+    const { parent, block } = await blockService.create({
+      parentId: req.params.parentId,
+      index: req.body.index,
+      blockDTO: req.body.block,
+    });
+
+    res.locals.result = { parent, block };
+    next();
+  },
+);
+
+export const update = async (
+  req: Request,
+  res: Response,
+  next: NextFunction,
+): Promise<void> => {
+  const block = await blockService.update(req.params.blockId, req.body.block);
+  res.locals.result = { block };
+  next();
+};
+
+export const move = transactionHandler(
+  async (req: Request, res: Response, next: NextFunction): Promise<void> => {
+    const { block, from, to } = await blockService.move(
+      req.params.blockId,
+      req.params.toId,
+      req.body.index,
+    );
+    res.locals.result = { block, from, to };
+    next();
+  },
+);
+
+export const deleteCascade = transactionHandler(
+  async (req: Request, res: Response, next: NextFunction): Promise<void> => {
+    const parent = await blockService.deleteCascade(req.params.blockId);
+    res.locals.result = { parent };
+    next();
+  },
+);
+
+export const createAndUpdate = transactionHandler(
+  async (req: Request, res: Response, next: NextFunction): Promise<void> => {
+    const { create, update } = req.body;
+    const { parent, block } = await blockService.create(create);
+    let updated: BlockDoc = null;
+    if (update) {
+      updated = await blockService.update(update.blockId, update);
+    }
+    res.locals.result = { parent, block, updated };
+    next();
+  },
+);
+
+export const deleteAndUpdate = transactionHandler(
+  async (req: Request, res: Response, next: NextFunction): Promise<void> => {
+    const { deleteId, update } = req.body;
+    const parent = await blockService.deleteOnly(deleteId);
+    let updated: BlockDoc = null;
+    if (update) {
+      updated = await blockService.update(update.blockId, update);
+    }
+    res.locals.result = { parent, updated };
+    next();
+  },
+);