diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/controller/FeelingPostController.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/controller/FeelingPostController.java
new file mode 100644
index 0000000..e618dae
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/controller/FeelingPostController.java
@@ -0,0 +1,38 @@
+package com.gdschanyang.todayfeelingbackend2.controller;
+
+
+import com.gdschanyang.todayfeelingbackend2.service.FeelingPostService;
+import com.gdschanyang.todayfeelingbackend2.web.dto.FeelingPostResponseDto;
+import com.gdschanyang.todayfeelingbackend2.web.dto.FeelingPostSaveRequestDto;
+import com.gdschanyang.todayfeelingbackend2.web.dto.FeelingPostUpdateRequestDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+
+@RequiredArgsConstructor
+@Controller
+public class FeelingPostController {
+
+    private final FeelingPostService feelingPostService;
+
+    @GetMapping("/api/feelingpost")
+    public void save(@RequestBody FeelingPostSaveRequestDto requestDto) {
+        feelingPostService.save(requestDto);
+    }
+
+    @PutMapping("/api/feelingpost/{id}")
+    public void update(@PathVariable Long id, @RequestBody FeelingPostUpdateRequestDto requestDto) {
+        feelingPostService.update(id, requestDto);
+    }
+
+    @GetMapping("/api/feelingpost/{id}")
+    public FeelingPostResponseDto findById(@PathVariable Long id) {
+        return feelingPostService.findById(id);
+    }
+
+    @DeleteMapping("/api/feelingpost/{id}")
+    public void delete(@PathVariable Long id) {
+        feelingPostService.delete(id);
+    }
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/controller/IndexController.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/controller/IndexController.java
new file mode 100644
index 0000000..7bdcd83
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/controller/IndexController.java
@@ -0,0 +1,20 @@
+package com.gdschanyang.todayfeelingbackend2.controller;
+
+import com.gdschanyang.todayfeelingbackend2.service.FeelingPostService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+
+@RequiredArgsConstructor
+@Controller
+public class IndexController {
+
+    private final FeelingPostService feelingPostService;
+
+    @GetMapping("/")
+    public String home() {
+        return "home";
+    }
+
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/BaseTimeEntity.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/BaseTimeEntity.java
new file mode 100644
index 0000000..f2695d0
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/BaseTimeEntity.java
@@ -0,0 +1,22 @@
+package com.gdschanyang.todayfeelingbackend2.domain;
+
+import lombok.Getter;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import javax.persistence.EntityListeners;
+import javax.persistence.MappedSuperclass;
+import java.time.LocalDateTime;
+
+@Getter
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+public abstract class BaseTimeEntity {
+
+    @CreatedDate
+    private LocalDateTime createdDate;
+
+    @LastModifiedDate
+    private LocalDateTime modifiedDate;
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/hearts/ClinicHeart.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/hearts/ClinicHeart.java
new file mode 100644
index 0000000..2de98a5
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/hearts/ClinicHeart.java
@@ -0,0 +1,37 @@
+package com.gdschanyang.todayfeelingbackend2.domain.hearts;
+
+import com.gdschanyang.todayfeelingbackend2.domain.BaseTimeEntity;
+import com.gdschanyang.todayfeelingbackend2.domain.posts.ClinicPost;
+import com.gdschanyang.todayfeelingbackend2.domain.user.User;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@Getter
+@Entity
+public class ClinicHeart extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "CLINICHEART_ID")
+    private Long id;
+
+    // 2. ClinicHeart : User = n : 1
+    @ManyToOne
+    @JoinColumn(name = "USER_ID")
+    private User user;
+
+    // 3. ClinicHeart : ClinicPost = n : 1
+    @ManyToOne
+    @JoinColumn(name = "CLINICPOST_ID")
+    private ClinicPost clinicPost;
+
+    @Builder
+    public ClinicHeart() {
+        this.user.addClinicHeart(this);
+        this.clinicPost.addClinicPost(this);
+    }
+
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/hearts/FeelingHeart.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/hearts/FeelingHeart.java
new file mode 100644
index 0000000..ed3ea08
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/hearts/FeelingHeart.java
@@ -0,0 +1,38 @@
+package com.gdschanyang.todayfeelingbackend2.domain.hearts;
+
+import com.gdschanyang.todayfeelingbackend2.domain.BaseTimeEntity;
+import com.gdschanyang.todayfeelingbackend2.domain.posts.FeelingPost;
+import com.gdschanyang.todayfeelingbackend2.domain.user.User;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@Getter
+@Entity
+public class FeelingHeart extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "FEELINGHEART_ID")
+    private Long id;
+
+    // 2. FeelingHeart : User = n : 1
+    @ManyToOne
+    @JoinColumn(name = "USER_ID")
+    private User user;
+
+    // 3. FeelingHeart : FeelingPost = n : 1
+    @ManyToOne
+    @JoinColumn(name = "FEELINGPOST_ID")
+    private FeelingPost feelingPost;
+
+    @Builder
+    public FeelingHeart() {
+        this.user.addFeelingHeart(this);
+        this.feelingPost.addFeelingPost(this);
+    }
+
+
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/posts/ClinicPost.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/posts/ClinicPost.java
new file mode 100644
index 0000000..269f701
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/posts/ClinicPost.java
@@ -0,0 +1,51 @@
+package com.gdschanyang.todayfeelingbackend2.domain.posts;
+
+import com.gdschanyang.todayfeelingbackend2.domain.BaseTimeEntity;
+import com.gdschanyang.todayfeelingbackend2.domain.hearts.ClinicHeart;
+import com.gdschanyang.todayfeelingbackend2.domain.user.User;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Getter
+@NoArgsConstructor
+@Entity
+public class ClinicPost extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "CLINICPOST_ID")
+    private Long id;
+
+    @Column(length = 500, nullable = false)
+    private String title;
+
+    // 글 작성은 필수
+    @Column(columnDefinition = "TEXT", nullable = false)
+    private String content;
+
+    // 1. ClinicPost : User = n : 1
+    @ManyToOne
+    @JoinColumn(name = "USER_ID")
+    private User user;
+
+    // 3. ClinicPost : ClinicHeart = 1 : n
+    @OneToMany(mappedBy = "clinicPost")
+    private List<ClinicHeart> clinicHearts = new ArrayList<ClinicHeart>();
+
+    @Builder
+    public ClinicPost(Long id, String title, String content) {
+        this.id = id;
+        this.title = title;
+        this.content = content;
+        this.user.addClinicPost(this);
+    }
+
+    public void addClinicPost(ClinicHeart clinicHeart){
+        this.clinicHearts.add(clinicHeart);
+    }
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/posts/Feeling.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/posts/Feeling.java
new file mode 100644
index 0000000..8064464
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/posts/Feeling.java
@@ -0,0 +1,7 @@
+package com.gdschanyang.todayfeelingbackend2.domain.posts;
+
+
+public enum Feeling {
+    POSITIVE,
+    NEGATIVE
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/posts/FeelingPost.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/posts/FeelingPost.java
new file mode 100644
index 0000000..5872b01
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/posts/FeelingPost.java
@@ -0,0 +1,60 @@
+package com.gdschanyang.todayfeelingbackend2.domain.posts;
+
+
+import com.gdschanyang.todayfeelingbackend2.domain.BaseTimeEntity;
+import com.gdschanyang.todayfeelingbackend2.domain.hearts.FeelingHeart;
+import com.gdschanyang.todayfeelingbackend2.domain.user.User;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Getter
+@NoArgsConstructor
+@Entity
+public class FeelingPost extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "FEELINGPOST_ID")
+    private Long id;
+
+    @Column(nullable = false)
+    private Feeling feeling;
+
+    // 글 작성은 선택적
+    @Column(columnDefinition = "TEXT")
+    private String content;
+
+    // 1. FeelingPost : User = n : 1
+    @ManyToOne
+    @JoinColumn(name = "USER_ID")
+    private User user;
+
+    // 3. FeelingPost : FeelingHeart = 1 : n
+    @OneToMany(mappedBy = "feelingPost")
+    private List<FeelingHeart> feelingHearts = new ArrayList<FeelingHeart>();
+
+    // 삭제 여부 T:삭제 F:삭제X
+    @Column(nullable = false)
+    private char delFlag;
+
+    @Builder
+    public FeelingPost(Long id, Feeling feeling, String content) {
+        this.id = id;
+        this.feeling = feeling;
+        this.content = content;
+        this.user.addFeelingPost(this);
+    }
+
+    public void addFeelingPost(FeelingHeart feelingHeart){
+        this.feelingHearts.add(feelingHeart);
+    }
+
+    public void update(String content) {
+        this.content = content;
+    }
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/user/User.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/user/User.java
new file mode 100644
index 0000000..a570840
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/domain/user/User.java
@@ -0,0 +1,58 @@
+package com.gdschanyang.todayfeelingbackend2.domain.user;
+
+
+import com.gdschanyang.todayfeelingbackend2.domain.BaseTimeEntity;
+import com.gdschanyang.todayfeelingbackend2.domain.hearts.ClinicHeart;
+import com.gdschanyang.todayfeelingbackend2.domain.hearts.FeelingHeart;
+import com.gdschanyang.todayfeelingbackend2.domain.posts.ClinicPost;
+import com.gdschanyang.todayfeelingbackend2.domain.posts.FeelingPost;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Getter
+@NoArgsConstructor
+@Entity
+public class User {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "USER_ID")
+    private Long id;
+
+    @Column(name = "USER_NAME", nullable = false)
+    private String name;
+
+    // 1. User : FeelingPost = 1 : n -> 한 유저가 여러 감정글 작성
+    @OneToMany(mappedBy = "user")
+    private List<FeelingPost> feelingPosts = new ArrayList<FeelingPost>();
+
+    // 1. User : ClinicPost = 1 : n -> 한 유저가 여러 클리닉글 작성
+    @OneToMany(mappedBy = "user")
+    private List<ClinicPost> clinicPosts = new ArrayList<ClinicPost>();
+
+    // 2. User : FeelingHeart = 1 : n
+    @OneToMany(mappedBy = "user")
+    private List<FeelingHeart> feelingHearts = new ArrayList<FeelingHeart>();
+
+    // 2. User : ClinicHeart = 1 : n
+    @OneToMany(mappedBy = "user")
+    private List<ClinicHeart> clinicHearts = new ArrayList<ClinicHeart>();
+
+    public void addFeelingPost(FeelingPost feelingPost) {
+        this.feelingPosts.add(feelingPost);
+    }
+
+    public void addFeelingHeart(FeelingHeart feelingHeart){
+        this.feelingHearts.add(feelingHeart);
+    }
+    public void addClinicPost(ClinicPost clinicPost) {
+        this.clinicPosts.add(clinicPost);
+    }
+    public void addClinicHeart(ClinicHeart clinicHeart){
+        this.clinicHearts.add((clinicHeart));
+    }
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/repository/FeelingPostRepository.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/repository/FeelingPostRepository.java
new file mode 100644
index 0000000..1773589
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/repository/FeelingPostRepository.java
@@ -0,0 +1,9 @@
+package com.gdschanyang.todayfeelingbackend2.repository;
+
+import com.gdschanyang.todayfeelingbackend2.domain.posts.FeelingPost;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface FeelingPostRepository extends JpaRepository<FeelingPost, Long> {
+
+
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/repository/UserRepository.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/repository/UserRepository.java
new file mode 100644
index 0000000..fc5cf0e
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/repository/UserRepository.java
@@ -0,0 +1,12 @@
+package com.gdschanyang.todayfeelingbackend2.repository;
+
+import com.gdschanyang.todayfeelingbackend2.domain.user.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+
+
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/service/FeelingPostService.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/service/FeelingPostService.java
new file mode 100644
index 0000000..8a80684
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/service/FeelingPostService.java
@@ -0,0 +1,47 @@
+package com.gdschanyang.todayfeelingbackend2.service;
+
+import com.gdschanyang.todayfeelingbackend2.domain.posts.FeelingPost;
+import com.gdschanyang.todayfeelingbackend2.repository.FeelingPostRepository;
+import com.gdschanyang.todayfeelingbackend2.web.dto.FeelingPostResponseDto;
+import com.gdschanyang.todayfeelingbackend2.web.dto.FeelingPostSaveRequestDto;
+import com.gdschanyang.todayfeelingbackend2.web.dto.FeelingPostUpdateRequestDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@RequiredArgsConstructor
+@Service
+public class FeelingPostService {
+    private final FeelingPostRepository feelingPostRepository;
+
+    @Transactional
+    public void save(FeelingPostSaveRequestDto requestDto) {
+        feelingPostRepository.save(requestDto.toEntity());
+    }
+
+    @Transactional
+    public void update(Long id, FeelingPostUpdateRequestDto requestDto) {
+        FeelingPost feelingPostEntity = feelingPostRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("해당 게시글이 없습니다. id = " + id));
+
+        feelingPostEntity.update(requestDto.getContent());
+    }
+
+    @Transactional
+    public FeelingPostResponseDto findById(Long id) {
+        FeelingPost entity = feelingPostRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("해당 게시글이 없습니다. id = " + id));
+
+        return new FeelingPostResponseDto(entity);
+    }
+
+    @Transactional
+    public void delete(Long id) {
+        FeelingPost feelingPost = feelingPostRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("해당 게시글이 없습니다. id = " + id));
+
+        feelingPostRepository.delete(feelingPost);
+    }
+
+
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/web/dto/FeelingPostResponseDto.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/web/dto/FeelingPostResponseDto.java
new file mode 100644
index 0000000..8dd2ae4
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/web/dto/FeelingPostResponseDto.java
@@ -0,0 +1,22 @@
+package com.gdschanyang.todayfeelingbackend2.web.dto;
+
+
+import com.gdschanyang.todayfeelingbackend2.domain.posts.Feeling;
+import com.gdschanyang.todayfeelingbackend2.domain.posts.FeelingPost;
+import lombok.Getter;
+
+@Getter
+public class FeelingPostResponseDto {
+
+    private Long id;
+
+    private Feeling feeling;
+
+    private String content;
+
+    public FeelingPostResponseDto(FeelingPost entity) {
+        this.id = entity.getId();
+        this.feeling = entity.getFeeling();
+        this.content = entity.getContent();
+    }
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/web/dto/FeelingPostSaveRequestDto.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/web/dto/FeelingPostSaveRequestDto.java
new file mode 100644
index 0000000..d71f5d6
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/web/dto/FeelingPostSaveRequestDto.java
@@ -0,0 +1,33 @@
+package com.gdschanyang.todayfeelingbackend2.web.dto;
+
+import com.gdschanyang.todayfeelingbackend2.domain.posts.Feeling;
+import com.gdschanyang.todayfeelingbackend2.domain.posts.FeelingPost;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+
+@Getter
+@NoArgsConstructor
+public class FeelingPostSaveRequestDto {
+
+    private Long id;
+    private Feeling feeling;
+    private String content;
+
+    @Builder
+    public FeelingPostSaveRequestDto(Long id, Feeling feeling, String content) {
+        this.id = id;
+        this.feeling = feeling;
+        this.content = content;
+    }
+
+    public FeelingPost toEntity() {
+        return FeelingPost.builder()
+                .id(id)
+                .feeling(feeling)
+                .content(content)
+                .build();
+    }
+
+}
diff --git a/src/main/java/com/gdschanyang/todayfeelingbackend2/web/dto/FeelingPostUpdateRequestDto.java b/src/main/java/com/gdschanyang/todayfeelingbackend2/web/dto/FeelingPostUpdateRequestDto.java
new file mode 100644
index 0000000..33a16e6
--- /dev/null
+++ b/src/main/java/com/gdschanyang/todayfeelingbackend2/web/dto/FeelingPostUpdateRequestDto.java
@@ -0,0 +1,17 @@
+package com.gdschanyang.todayfeelingbackend2.web.dto;
+
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class FeelingPostUpdateRequestDto {
+    private String content;
+
+    @Builder
+    public FeelingPostUpdateRequestDto(String content) {
+        this.content = content;
+    }
+}