diff --git a/BackEnd/src/app.controller.ts b/BackEnd/src/app.controller.ts
index cce879ee..662727af 100755
--- a/BackEnd/src/app.controller.ts
+++ b/BackEnd/src/app.controller.ts
@@ -1,9 +1,16 @@
-import { Controller, Get } from '@nestjs/common';
+import { Controller, Get, Post } from '@nestjs/common';
 import { AppService } from './app.service';
+import { InjectRepository } from '@nestjs/typeorm';
+import { UserModel } from './users/entities/users.entity';
+import { Repository } from 'typeorm';
 
 @Controller()
 export class AppController {
-  constructor(private readonly appService: AppService) {}
+  constructor(
+    private readonly appService: AppService,
+    @InjectRepository(UserModel)
+    private readonly userRepository: Repository<UserModel>
+    ) {}
 
   @Get()
   getHello(): string {
diff --git a/BackEnd/src/app.module.ts b/BackEnd/src/app.module.ts
index b5861f68..28207294 100755
--- a/BackEnd/src/app.module.ts
+++ b/BackEnd/src/app.module.ts
@@ -6,7 +6,9 @@ import { TypeOrmModule } from '@nestjs/typeorm';
 import { LoggerMiddleware } from './middlewares/logger.middleware';
 
 @Module({
-  imports: [TypeOrmModule.forRoot(typeOrmConfig)],
+  imports: [
+    TypeOrmModule.forRoot(typeOrmConfig),
+  ],
   controllers: [AppController],
   providers: [AppService],
 })
diff --git a/BackEnd/src/posts/entities/posts.entity.ts b/BackEnd/src/posts/entities/posts.entity.ts
new file mode 100644
index 00000000..cfadb5a5
--- /dev/null
+++ b/BackEnd/src/posts/entities/posts.entity.ts
@@ -0,0 +1,43 @@
+import {
+    Entity,
+    PrimaryGeneratedColumn,
+    Column,
+    CreateDateColumn,
+    UpdateDateColumn,
+    ManyToOne,
+    OneToOne,
+    JoinColumn
+  } from 'typeorm';
+import { RecordModel } from 'src/records/entities/records.entity';
+import { ProfileModel } from 'src/profiles/entities/profiles.entity';
+  
+  @Entity()
+  export class PostModel {
+    @PrimaryGeneratedColumn()
+    id: number;
+  
+    @Column()
+    publicId: string;
+  
+    @Column()
+    content: string;
+  
+    @Column({ nullable: true })
+    like: number;
+  
+    @CreateDateColumn()
+    createdAt: Date;
+  
+    @UpdateDateColumn()
+    updatedAt: Date;
+  
+    @Column()
+    deletedAt: Date;
+
+    @OneToOne(() => RecordModel)
+    @JoinColumn()
+    record: RecordModel;
+
+    @ManyToOne(() => ProfileModel, (profile) => profile.posts)
+    profile: ProfileModel;
+  }
\ No newline at end of file
diff --git a/BackEnd/src/profiles/entities/profiles.entity.ts b/BackEnd/src/profiles/entities/profiles.entity.ts
new file mode 100644
index 00000000..10f7afef
--- /dev/null
+++ b/BackEnd/src/profiles/entities/profiles.entity.ts
@@ -0,0 +1,47 @@
+import { PostModel } from 'src/posts/entities/posts.entity';
+import { RecordModel } from 'src/records/entities/records.entity';
+import { UserModel } from 'src/users/entities/users.entity';
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  Generated,
+  OneToOne,
+  OneToMany
+} from 'typeorm';
+
+@Entity()
+export class ProfileModel {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column({ unique: true })
+  nickname: string;
+
+  @Column({ nullable: false })
+  gender: string;
+
+  @Column({ nullable: false })
+  birthdate: Date;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+
+  @Column({ unique: true })
+  @Generated('uuid')
+  publicId: string;
+
+  @OneToOne(() => UserModel, (user) => user.profile)
+  user: UserModel;
+
+  @OneToMany(() => RecordModel, (record) => record.profile)
+  records: RecordModel[];
+
+  @OneToMany(() => PostModel, (post) => post.profile)
+  posts: PostModel[];
+}
\ No newline at end of file
diff --git a/BackEnd/src/records/entities/records.entity.ts b/BackEnd/src/records/entities/records.entity.ts
new file mode 100644
index 00000000..560b5882
--- /dev/null
+++ b/BackEnd/src/records/entities/records.entity.ts
@@ -0,0 +1,47 @@
+import {
+    Entity,
+    PrimaryGeneratedColumn,
+    Column,
+    CreateDateColumn,
+    ManyToOne,
+    OneToOne,
+  } from 'typeorm';
+  
+  import { UserModel } from 'src/users/entities/users.entity';
+import { PostModel } from 'src/posts/entities/posts.entity';
+import { ProfileModel } from 'src/profiles/entities/profiles.entity';
+  @Entity()
+  export class RecordModel {
+    @PrimaryGeneratedColumn()
+    id: number;
+    
+    @Column()
+    exercise: string;
+  
+    @Column()
+    runningTime: number;
+  
+    @Column()
+    distance: number;
+  
+    @Column({ nullable: true })
+    avgBpm: number;
+  
+    @Column({ nullable: true })
+    minBpm: number;
+  
+    @Column({ nullable: true })
+    maxBpm: number;
+  
+    @CreateDateColumn()
+    createdAt: Date;
+  
+    @Column()
+    checker: boolean;
+
+    @ManyToOne(() => ProfileModel, (profile) => profile.records) //manyToOne이 항상 외래키를 갖고 있음
+    profile: ProfileModel;
+
+    @OneToOne(() => PostModel, (post) => post.record)
+    post: PostModel;
+  }
\ No newline at end of file
diff --git a/BackEnd/src/users/entities/users.entity.ts b/BackEnd/src/users/entities/users.entity.ts
new file mode 100644
index 00000000..efea37fe
--- /dev/null
+++ b/BackEnd/src/users/entities/users.entity.ts
@@ -0,0 +1,26 @@
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  OneToOne,
+  JoinColumn,
+} from 'typeorm';
+import { ProfileModel } from 'src/profiles/entities/profiles.entity';
+@Entity()
+export class UserModel {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column()
+  userId: string;
+
+  @Column()
+  provider: string;
+
+  @OneToOne(() => ProfileModel, (profile)=> profile.user, {
+    eager: true,
+    cascade: true,
+  })
+  @JoinColumn()
+  profile: ProfileModel;
+}
\ No newline at end of file