diff --git a/src/app.module.ts b/src/app.module.ts
index 98fb3dd..32bea0f 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -6,6 +6,7 @@ import { AppController } from './app.controller';
 import { AlarmsModule } from './alarms/alarms.module';
 import { ScheduleModule } from './schedules/schedule.module';
 import { UserModule } from './users/user.module';
+import { DiariesModule } from './diaries/diary.module';
 
 @Module({
   imports: [
@@ -29,6 +30,7 @@ import { UserModule } from './users/user.module';
     AlarmsModule,
     ScheduleModule,
     UserModule,
+    DiariesModule,
   ],
   controllers: [AppController],
   providers: [],
diff --git a/src/diaries/diary.module.ts b/src/diaries/diary.module.ts
new file mode 100644
index 0000000..6051d43
--- /dev/null
+++ b/src/diaries/diary.module.ts
@@ -0,0 +1,18 @@
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+
+import { DiaryEntity } from './entities/diary.entity';
+import { DiaryImageEntity } from './entities/diary-image.entity';
+import { RecommendEntity } from './entities/recommend.entity';
+
+@Module({
+  imports: [
+    TypeOrmModule.forFeature([
+      DiaryEntity,
+      DiaryImageEntity,
+      RecommendEntity,
+    ]),
+  ],
+  exports: [TypeOrmModule],
+})
+export class DiariesModule {}
\ No newline at end of file
diff --git a/src/diaries/entities/diary-image.entity.ts b/src/diaries/entities/diary-image.entity.ts
new file mode 100644
index 0000000..013d610
--- /dev/null
+++ b/src/diaries/entities/diary-image.entity.ts
@@ -0,0 +1,28 @@
+import { Column, Entity, PrimaryGeneratedColumn } from 'typeorm';
+import { SoftDeleteModel } from '../../global/base-model';
+
+@Entity('diary_image')
+export class DiaryImageEntity extends SoftDeleteModel {
+  @PrimaryGeneratedColumn({
+    name: 'diary_image_id',
+    type: 'int',
+  })
+  diaryImageId: number;
+
+  @Column({
+    name: 'diary_id',
+    type: 'int',
+    nullable: false,
+    comment: '일기 아이디',
+  })
+  diaryId: number;
+
+  @Column({
+    name: 'image_url',
+    type: 'varchar',
+    length: 200,
+    nullable: false,
+    comment: '이미지 주소(S3 URL)',
+  })
+  imageUrl: string;
+}
\ No newline at end of file
diff --git a/src/diaries/entities/diary.entity.ts b/src/diaries/entities/diary.entity.ts
new file mode 100644
index 0000000..6861d66
--- /dev/null
+++ b/src/diaries/entities/diary.entity.ts
@@ -0,0 +1,50 @@
+import { Column, Entity, PrimaryGeneratedColumn } from 'typeorm';
+import { SoftDeleteModel } from '../../global/base-model';
+import { DiaryType } from '../enums/diary-type.enum';
+
+@Entity('diary')
+export class DiaryEntity extends SoftDeleteModel {
+  @PrimaryGeneratedColumn({
+    name: 'diary_id',
+    type: 'int',
+  })
+  diaryId: number;
+
+  @Column({
+    name: 'user_id',
+    type: 'int',
+    comment: '사용자 아이디',
+  })
+  userId: number;
+
+  @Column({
+    name: 'diary_type',
+    type: 'enum',
+    enum: DiaryType,
+    enumName: 'diary_type_enum',
+    comment: '일기 유형',
+  })
+  diaryType: DiaryType;
+
+  @Column({
+    name: 'diary_title',
+    type: 'varchar',
+    length: 50,
+    comment: '일기 제목',
+  })
+  diaryTitle: string;
+
+  @Column({
+    type: 'text',
+    comment: '일기 내용',
+  })
+  content: string;
+
+  @Column({
+    name: 'ai_summary',
+    type: 'text',
+    nullable: true,
+    comment: 'AI 일기 요약',
+  })
+  aiSummary: string | null;
+}
\ No newline at end of file
diff --git a/src/diaries/entities/recommend.entity.ts b/src/diaries/entities/recommend.entity.ts
new file mode 100644
index 0000000..29be104
--- /dev/null
+++ b/src/diaries/entities/recommend.entity.ts
@@ -0,0 +1,43 @@
+import { Column, Entity, PrimaryGeneratedColumn } from 'typeorm';
+import { BaseModel } from '../../global/base-model';
+
+@Entity('recommend')
+export class RecommendEntity extends BaseModel {
+  @PrimaryGeneratedColumn({
+    name: 'recommend_id',
+    type: 'int',
+  })
+  recommendId: number;
+
+  @Column({
+    name: 'category_id',
+    type: 'int',
+    nullable: false,
+    comment: '카테고리 아이디',
+  })
+  categoryId: number;
+
+  @Column({
+    name: 'diary_id',
+    type: 'int',
+    nullable: false,
+    comment: '일기 아이디',
+  })
+  diaryId: number;
+
+  @Column({
+    type: 'varchar',
+    length: 50,
+    nullable: false,
+    comment: '추천 일정 제목',
+  })
+  title: string;
+
+  @Column({
+    name: 'is_added',
+    type: 'boolean',
+    nullable: false,
+    comment: '일정 추가 여부',
+  })
+  isAdded: boolean;
+}
\ No newline at end of file
diff --git a/src/diaries/enums/diary-type.enum.ts b/src/diaries/enums/diary-type.enum.ts
new file mode 100644
index 0000000..f5274a8
--- /dev/null
+++ b/src/diaries/enums/diary-type.enum.ts
@@ -0,0 +1,4 @@
+export enum DiaryType {
+  QUESTION = 'QUESTION',
+  FREE = 'FREE',
+}
\ No newline at end of file