diff --git a/backend/src/auth/auth.controller.ts b/backend/src/auth/auth.controller.ts
index 438de09..5d2b76a 100644
--- a/backend/src/auth/auth.controller.ts
+++ b/backend/src/auth/auth.controller.ts
@@ -1,21 +1,19 @@
 import { Controller, Post, Body } from '@nestjs/common';
 import { AuthService } from './auth.service';
+import { CreateUserDto } from './dto/create-user.dto';
+import { LoginUserDto } from './dto/login-user.dto';
 
 @Controller('auth')
 export class AuthController {
   constructor(private readonly authService: AuthService) {}
 
-  @Post()
-  login(@Body('email') email: string, @Body('password') password: string) {
-    return { email, password };
+  @Post('/login')
+  login(@Body() loginUserDto: LoginUserDto) {
+    return loginUserDto;
   }
 
-  @Post()
-  signup(
-    @Body('name') name: string,
-    @Body('email') email: string,
-    @Body('password') password: string,
-  ) {
-    return { name, email, password };
+  @Post('/signup')
+  signup(@Body() createUserDto: CreateUserDto) {
+    return createUserDto;
   }
 }
diff --git a/backend/src/auth/dto/create-user.dto.ts b/backend/src/auth/dto/create-user.dto.ts
new file mode 100644
index 0000000..6f47eca
--- /dev/null
+++ b/backend/src/auth/dto/create-user.dto.ts
@@ -0,0 +1,12 @@
+import { IsString, IsEmail } from 'class-validator';
+
+export class CreateUserDto {
+  @IsString()
+  name: string;
+
+  @IsEmail()
+  email: string;
+
+  @IsString()
+  password: string;
+}
diff --git a/backend/src/auth/dto/login-user.dto.ts b/backend/src/auth/dto/login-user.dto.ts
new file mode 100644
index 0000000..33d0056
--- /dev/null
+++ b/backend/src/auth/dto/login-user.dto.ts
@@ -0,0 +1,9 @@
+import { IsString, IsEmail } from 'class-validator';
+
+export class LoginUserDto {
+  @IsEmail()
+  email: string;
+
+  @IsString()
+  password: string;
+}
diff --git a/backend/src/comment/comment.controller.ts b/backend/src/comment/comment.controller.ts
index 287b3f0..b14269a 100644
--- a/backend/src/comment/comment.controller.ts
+++ b/backend/src/comment/comment.controller.ts
@@ -1,12 +1,39 @@
-import { Controller, Get } from '@nestjs/common';
+import { Controller, Get, Post, Delete } from '@nestjs/common';
 import { CommentService } from './comment.service';
 
 @Controller('comment')
 export class CommentController {
   constructor(private readonly commentService: CommentService) {}
 
-  @Get()
-  getUser(): string {
+  @Post()
+  createComment() {
     return 'get user information';
   }
+
+  // 특정 웹툰의 댓글을 보는 기능
+  @Get('webtoon/:webtoonId')
+  getWebtoonComments() {
+    return 'geting comments';
+  }
+
+  // 자신이 쓴 댓글 목록을 보는 기능
+  @Get('user/:userId')
+  getUserComments() {
+    return 'reading comments';
+  }
+
+  @Post('like')
+  clickLike() {
+    return 'click like';
+  }
+
+  @Post('dislike')
+  clickDislike() {
+    return 'click like';
+  }
+
+  @Delete(':commentId')
+  deleteComment() {
+    return 'delete comment';
+  }
 }
diff --git a/backend/src/user/dto/update-user.dto.ts b/backend/src/user/dto/update-user.dto.ts
new file mode 100644
index 0000000..5520203
--- /dev/null
+++ b/backend/src/user/dto/update-user.dto.ts
@@ -0,0 +1,12 @@
+import { IsString, IsEmail } from 'class-validator';
+
+export class UpdateUserDto {
+  @IsString()
+  name: string;
+
+  @IsEmail()
+  email: string;
+
+  @IsString()
+  password: string;
+}
diff --git a/backend/src/user/user.controller.ts b/backend/src/user/user.controller.ts
index 36931ee..6c71552 100644
--- a/backend/src/user/user.controller.ts
+++ b/backend/src/user/user.controller.ts
@@ -1,12 +1,23 @@
-import { Controller, Get } from '@nestjs/common';
+import { Controller, Get, Put, Delete, Body } from '@nestjs/common';
 import { UserService } from './user.service';
+import { UpdateUserDto } from './dto/update-user.dto';
 
 @Controller('user')
 export class UserController {
   constructor(private readonly userService: UserService) {}
 
   @Get()
-  getUser(): string {
+  getUser() {
     return 'get user information';
   }
+
+  @Put()
+  updateUser(@Body() updateUserDto: UpdateUserDto) {
+    return updateUserDto;
+  }
+
+  @Delete()
+  deleteUser() {
+    return 'delete user';
+  }
 }