diff --git a/apps/server/src/controllers/v1/schedules.ts b/apps/server/src/controllers/v1/schedules.ts
index dbdfac1..0f10b76 100644
--- a/apps/server/src/controllers/v1/schedules.ts
+++ b/apps/server/src/controllers/v1/schedules.ts
@@ -5,8 +5,7 @@ import middlewares from '@/middlewares'
 
 const router: Router = asyncify(express.Router())
 
-// TODO: add validator(eventId, authorId)
-router.post('/', async (req: Request, res: Response) => {
+router.post('/', middlewares.schedules.addScheduleMiddleware, async (req: Request, res: Response) => {
     const { name, eventId, authorId, startDate, endDate, address, location, description, images } = req.body
     const schedule = await ScheduleModel.create({
         name: name,
diff --git a/apps/server/src/middlewares/schedules.ts b/apps/server/src/middlewares/schedules.ts
index 3779cfd..6870902 100644
--- a/apps/server/src/middlewares/schedules.ts
+++ b/apps/server/src/middlewares/schedules.ts
@@ -1,6 +1,8 @@
 import { NextFunction, Request, Response } from 'express'
 import { ScheduleModel } from '@/models/schedule'
-import { UnauthorizedSchedule } from '@/types/errors/schedule'
+import { InvalidRequestFormat, UnauthorizedSchedule } from '@/types/errors/schedule'
+import { EventsModel } from '@/models/event'
+import { UserModel } from '@/models/user'
 
 export const verifyAuthorMiddleware = async (req: Request, res: Response, next: NextFunction) => {
     const authorId = (await ScheduleModel.findOne({ _id: req.params.id }).exec())?.authorId
@@ -12,3 +14,23 @@ export const verifyAuthorMiddleware = async (req: Request, res: Response, next:
     }
     next()
 }
+
+const verifyEventId = async (req: Request, res: Response, next: NextFunction) => {
+    const { eventId } = req.body
+    const target = await EventsModel.findOne({ _id: eventId }).exec()
+    if (!target) {
+        throw new InvalidRequestFormat(new Error(`not found event => id: ${eventId}`))
+    }
+    next()
+}
+
+const verifyAuthorId = async (req: Request, res: Response, next: NextFunction) => {
+    const { authorId } = req.body
+    const target = await UserModel.findOne({ _id: authorId }).exec()
+    if (!target) {
+        throw new InvalidRequestFormat(new Error(`not found author => id: ${authorId}`))
+    }
+    next()
+}
+
+export const addScheduleMiddleware = [verifyAuthorId, verifyEventId]
diff --git a/apps/server/src/types/errors/schedule.ts b/apps/server/src/types/errors/schedule.ts
index 41e3991..40fa287 100644
--- a/apps/server/src/types/errors/schedule.ts
+++ b/apps/server/src/types/errors/schedule.ts
@@ -7,3 +7,11 @@ export class UnauthorizedSchedule extends APIError {
         Error.captureStackTrace(this, UnauthorizedSchedule)
     }
 }
+
+export class InvalidRequestFormat extends APIError {
+    constructor(cause: Error | string = null) {
+        super(400, 40000, 'invalid request format', cause)
+        Object.setPrototypeOf(this, InvalidRequestFormat.prototype)
+        Error.captureStackTrace(this, InvalidRequestFormat)
+    }
+}