diff --git a/src/ai/ai.module.ts b/src/ai/ai.module.ts
new file mode 100644
index 0000000..562dac9
--- /dev/null
+++ b/src/ai/ai.module.ts
@@ -0,0 +1,19 @@
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { QuestionEntity } from './entities/ai.question.entity';
+import { AnswerEntity } from './entities/ai.answer.entity';
+import { DiaryQuestionEntity } from './entities/ai.diary.question.entity';
+
+@Module({
+  imports: [
+    TypeOrmModule.forFeature([
+      QuestionEntity,
+      AnswerEntity,
+      DiaryQuestionEntity,
+    ]),
+  ],
+  controllers: [],
+  providers: [],
+  exports: [TypeOrmModule],
+})
+export class AiModule {}
diff --git a/src/ai/entities/ai-answer.entity.ts b/src/ai/entities/ai-answer.entity.ts
new file mode 100644
index 0000000..35fe3da
--- /dev/null
+++ b/src/ai/entities/ai-answer.entity.ts
@@ -0,0 +1,23 @@
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  PrimaryGeneratedColumn,
+} from 'typeorm';
+
+@Entity('Answer')
+export class AnswerEntity {
+  @PrimaryGeneratedColumn({ name: 'answer_id', type: 'int' })
+  answerId: number;
+
+  @Column({ name: 'answer', type: 'text' })
+  answer: string;
+
+  @CreateDateColumn({
+    name: 'created_at',
+    type: 'timestamp',
+    nullable: false,
+    comment: '생성일',
+  })
+  createdAt: Date;
+}
diff --git a/src/ai/entities/ai-diary.question.entity.ts b/src/ai/entities/ai-diary.question.entity.ts
new file mode 100644
index 0000000..888d6c6
--- /dev/null
+++ b/src/ai/entities/ai-diary.question.entity.ts
@@ -0,0 +1,31 @@
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  PrimaryGeneratedColumn,
+} from 'typeorm';
+
+@Entity('DiaryQuestion')
+export class DiaryQuestionEntity {
+  @PrimaryGeneratedColumn({
+    name: 'diary_question_id',
+    type: 'int',
+    comment: '일기-질문 아이디',
+  })
+  diaryQuestionId: number;
+
+  @Column({
+    name: 'is_written',
+    type: 'boolean',
+    nullable: false,
+    default: false,
+  })
+  isWritten: boolean;
+
+  @CreateDateColumn({
+    name: 'created_at',
+    type: 'timestamp',
+    comment: '생성일자',
+  })
+  createdAt: Date;
+}
diff --git a/src/ai/entities/ai-question.entity.ts b/src/ai/entities/ai-question.entity.ts
new file mode 100644
index 0000000..02a4dc0
--- /dev/null
+++ b/src/ai/entities/ai-question.entity.ts
@@ -0,0 +1,27 @@
+import { Column, Entity, PrimaryGeneratedColumn } from 'typeorm';
+
+@Entity('Question')
+export class QuestionEntity {
+  @PrimaryGeneratedColumn({
+    name: 'question_id',
+    type: 'int',
+    comment: '질문ID',
+  })
+  questionId: number;
+
+  @Column({
+    name: 'content',
+    type: 'text',
+    nullable: false,
+    comment: '질문내용',
+  })
+  content: string;
+
+  @Column({
+    name: 'target_date',
+    type: 'date',
+    nullable: false,
+    comment: '질문 날짜',
+  })
+  targetDate: string;
+}
diff --git a/src/ai/entities/ai-recommend.entitiy.ts b/src/ai/entities/ai-recommend.entitiy.ts
new file mode 100644
index 0000000..9c0ea64
--- /dev/null
+++ b/src/ai/entities/ai-recommend.entitiy.ts
@@ -0,0 +1,42 @@
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  PrimaryGeneratedColumn,
+} from 'typeorm';
+
+@Entity('Recommend')
+export class RecommendEntity {
+  @PrimaryGeneratedColumn({
+    name: 'recommend_id',
+    type: 'int',
+    comment: '추천ID',
+  })
+  recommendId: number;
+
+  @Column({
+    name: 'title',
+    type: 'varchar',
+    length: 500,
+    nullable: false,
+    comment: '추천 일정 제목',
+  })
+  title: string;
+
+  @Column({
+    name: 'is_added',
+    type: 'boolean',
+    nullable: false,
+    default: false,
+    comment: '일정 추가 여부',
+  })
+  isAdded: boolean;
+
+  @CreateDateColumn({
+    name: 'created_at',
+    type: 'timestamp',
+    nullable: false,
+    comment: '생성일자',
+  })
+  createdAt: Date;
+}
diff --git a/src/app.module.ts b/src/app.module.ts
index 4bde96e..0b5078b 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -7,7 +7,7 @@ import { AlarmsModule } from './alarms/alarms.module';
 import { ScheduleModule } from './schedules/schedule.module';
 import { UserModule } from './users/user.module';
 import { DiariesModule } from './diaries/diary.module';
-import { AuthModule } from './auth/auth.module';
+import { AiModule } from './ai/ai.module';
 
 @Module({
   imports: [
@@ -32,7 +32,7 @@ import { AuthModule } from './auth/auth.module';
     ScheduleModule,
     UserModule,
     DiariesModule,
-    AuthModule,
+    AiModule,
   ],
   controllers: [AppController],
   providers: [],