diff --git a/core/src/main/kotlin/com/usw/usgo/domain/BaseEntity.kt b/core/src/main/kotlin/com/usw/usgo/domain/core/BaseEntity.kt
similarity index 72%
rename from core/src/main/kotlin/com/usw/usgo/domain/BaseEntity.kt
rename to core/src/main/kotlin/com/usw/usgo/domain/core/BaseEntity.kt
index 8acc516..3ca0c85 100644
--- a/core/src/main/kotlin/com/usw/usgo/domain/BaseEntity.kt
+++ b/core/src/main/kotlin/com/usw/usgo/domain/core/BaseEntity.kt
@@ -1,4 +1,4 @@
-package com.usw.usgo.domain
+package com.usw.usgo.domain.core
 
 import jakarta.persistence.*
 import org.springframework.data.annotation.CreatedDate
@@ -11,12 +11,16 @@ import java.time.LocalDateTime
 abstract class BaseEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long? = null
+    val id: Long = 0L
+
+    @Column(name = "is_deleted")
+    var isDeleted: Boolean = false
 
     @CreatedDate
-    @Column(updatable = false)
+    @Column(name = "created_at", updatable = false)
     val createdAt: LocalDateTime = LocalDateTime.now()
 
     @LastModifiedDate
+    @Column(name = "modified_at")
     var modifiedAt: LocalDateTime = LocalDateTime.now()
 }
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/core/notice/Notice.kt b/core/src/main/kotlin/com/usw/usgo/domain/core/notice/Notice.kt
new file mode 100644
index 0000000..a37dcfe
--- /dev/null
+++ b/core/src/main/kotlin/com/usw/usgo/domain/core/notice/Notice.kt
@@ -0,0 +1,20 @@
+package com.usw.usgo.domain.core.notice
+
+import com.usw.usgo.domain.core.BaseEntity
+import com.usw.usgo.domain.embeddable.Content
+import com.usw.usgo.domain.embeddable.Title
+import jakarta.persistence.Embedded
+import jakarta.persistence.Entity
+import jakarta.persistence.Table
+
+@Entity
+@Table(name = "notice")
+class Notice(
+
+    @Embedded
+    var title: Title,
+
+    @Embedded
+    var content: Content,
+) : BaseEntity() {
+}
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/core/productpost/ProductPost.kt b/core/src/main/kotlin/com/usw/usgo/domain/core/productpost/ProductPost.kt
new file mode 100644
index 0000000..3a79b48
--- /dev/null
+++ b/core/src/main/kotlin/com/usw/usgo/domain/core/productpost/ProductPost.kt
@@ -0,0 +1,40 @@
+package com.usw.usgo.domain.core.productpost
+
+import com.usw.usgo.domain.core.BaseEntity
+import com.usw.usgo.domain.core.user.User
+import com.usw.usgo.domain.embeddable.Content
+import com.usw.usgo.domain.embeddable.Price
+import com.usw.usgo.domain.embeddable.Title
+import com.usw.usgo.domain.enumerated.ContactPlace
+import jakarta.persistence.*
+
+@Entity
+@Table(name = "product_post")
+class ProductPost(
+
+    @Embedded
+    var title: Title,
+
+    @Embedded
+    var content: Content,
+
+    @Embedded
+    var price: Price,
+
+    @Enumerated(EnumType.STRING)
+    var contactPlace: ContactPlace,
+
+    @Enumerated(EnumType.STRING)
+    var status: Status = Status.NORMAL,
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    val user: User,
+
+    ) : BaseEntity()
+
+enum class Status {
+    NORMAL,
+    RESTRICTED,
+    DELETED,
+}
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/user/Cooperation.kt b/core/src/main/kotlin/com/usw/usgo/domain/core/user/Cooperation.kt
similarity index 87%
rename from core/src/main/kotlin/com/usw/usgo/domain/user/Cooperation.kt
rename to core/src/main/kotlin/com/usw/usgo/domain/core/user/Cooperation.kt
index d5b1569..fedcaf6 100644
--- a/core/src/main/kotlin/com/usw/usgo/domain/user/Cooperation.kt
+++ b/core/src/main/kotlin/com/usw/usgo/domain/core/user/Cooperation.kt
@@ -1,4 +1,4 @@
-package com.usw.usgo.domain.user
+package com.usw.usgo.domain.core.user
 
 import jakarta.persistence.Embeddable
 import java.time.LocalDateTime
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/user/Manner.kt b/core/src/main/kotlin/com/usw/usgo/domain/core/user/Manner.kt
similarity index 82%
rename from core/src/main/kotlin/com/usw/usgo/domain/user/Manner.kt
rename to core/src/main/kotlin/com/usw/usgo/domain/core/user/Manner.kt
index b654b39..f704c2f 100644
--- a/core/src/main/kotlin/com/usw/usgo/domain/user/Manner.kt
+++ b/core/src/main/kotlin/com/usw/usgo/domain/core/user/Manner.kt
@@ -1,4 +1,4 @@
-package com.usw.usgo.domain.user
+package com.usw.usgo.domain.core.user
 
 import jakarta.persistence.Embeddable
 import java.math.BigDecimal
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/user/User.kt b/core/src/main/kotlin/com/usw/usgo/domain/core/user/User.kt
similarity index 60%
rename from core/src/main/kotlin/com/usw/usgo/domain/user/User.kt
rename to core/src/main/kotlin/com/usw/usgo/domain/core/user/User.kt
index ce59dca..9c7dc4d 100644
--- a/core/src/main/kotlin/com/usw/usgo/domain/user/User.kt
+++ b/core/src/main/kotlin/com/usw/usgo/domain/core/user/User.kt
@@ -1,21 +1,21 @@
-package com.usw.usgo.domain.user
+package com.usw.usgo.domain.core.user
 
-import com.usw.usgo.domain.BaseEntity
+import com.usw.usgo.domain.core.BaseEntity
 import jakarta.persistence.*
 
 @Entity
-@Table(name = "users")
+@Table(name = "user")
 class User(
-    @Column(length = 50)
+    @Column(name = "login_id", length = 50, nullable = false)
     val loginId: String,
 
-    @Column(length = 50)
+    @Column(name = "email", length = 50, nullable = false)
     val email: String,
 
-    @Column(length = 50)
+    @Column(name = "nickname", length = 50, nullable = false)
     var nickname: String,
 
-    @Column(length = 50)
+    @Column(name = "password", length = 50, nullable = false)
     var password: String,
 
     @Embedded
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/core/userpost/PostLike.kt b/core/src/main/kotlin/com/usw/usgo/domain/core/userpost/PostLike.kt
new file mode 100644
index 0000000..ef430e6
--- /dev/null
+++ b/core/src/main/kotlin/com/usw/usgo/domain/core/userpost/PostLike.kt
@@ -0,0 +1,20 @@
+package com.usw.usgo.domain.core.userpost
+
+import com.usw.usgo.domain.core.BaseEntity
+import com.usw.usgo.domain.core.productpost.ProductPost
+import com.usw.usgo.domain.core.user.User
+import jakarta.persistence.*
+
+@Entity
+@Table(name = "post_like")
+class PostLike(
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    val user: User,
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "product_post_id")
+    val productPost: ProductPost,
+
+    ) : BaseEntity()
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/embeddable/Content.kt b/core/src/main/kotlin/com/usw/usgo/domain/embeddable/Content.kt
new file mode 100644
index 0000000..5b5346a
--- /dev/null
+++ b/core/src/main/kotlin/com/usw/usgo/domain/embeddable/Content.kt
@@ -0,0 +1,11 @@
+package com.usw.usgo.domain.embeddable
+
+import jakarta.persistence.Column
+import jakarta.persistence.Embeddable
+
+@Embeddable
+class Content(
+
+    @Column(nullable = false)
+    val value: String,
+)
\ No newline at end of file
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/embeddable/Price.kt b/core/src/main/kotlin/com/usw/usgo/domain/embeddable/Price.kt
new file mode 100644
index 0000000..62aadc8
--- /dev/null
+++ b/core/src/main/kotlin/com/usw/usgo/domain/embeddable/Price.kt
@@ -0,0 +1,11 @@
+package com.usw.usgo.domain.embeddable
+
+import jakarta.persistence.Column
+import jakarta.persistence.Embeddable
+
+@Embeddable
+class Price(
+
+    @Column(nullable = false)
+    val value: Int,
+)
\ No newline at end of file
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/embeddable/Title.kt b/core/src/main/kotlin/com/usw/usgo/domain/embeddable/Title.kt
new file mode 100644
index 0000000..a5f633f
--- /dev/null
+++ b/core/src/main/kotlin/com/usw/usgo/domain/embeddable/Title.kt
@@ -0,0 +1,11 @@
+package com.usw.usgo.domain.embeddable
+
+import jakarta.persistence.Column
+import jakarta.persistence.Embeddable
+
+@Embeddable
+class Title(
+
+    @Column(nullable = false)
+    val value: String,
+)
\ No newline at end of file
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/enumerated/ContactPlace.kt b/core/src/main/kotlin/com/usw/usgo/domain/enumerated/ContactPlace.kt
new file mode 100644
index 0000000..7ec6966
--- /dev/null
+++ b/core/src/main/kotlin/com/usw/usgo/domain/enumerated/ContactPlace.kt
@@ -0,0 +1,6 @@
+package com.usw.usgo.domain.enumerated
+
+enum class ContactPlace {
+
+    IT, ACE, GLOBAL,
+}
\ No newline at end of file
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/notice/Notice.kt b/core/src/main/kotlin/com/usw/usgo/domain/notice/Notice.kt
deleted file mode 100644
index 1620c9a..0000000
--- a/core/src/main/kotlin/com/usw/usgo/domain/notice/Notice.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-package com.usw.usgo.domain.notice
-
-import com.usw.usgo.domain.BaseEntity
-import jakarta.persistence.Column
-import jakarta.persistence.Entity
-import jakarta.persistence.Table
-
-@Entity
-@Table(name = "notices")
-class Notice(
-    @Column(length = 50)
-    var title: String,
-
-    @Column(columnDefinition = "text")
-    var content: String,
-) : BaseEntity() {
-}
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/productpost/PostLike.kt b/core/src/main/kotlin/com/usw/usgo/domain/productpost/PostLike.kt
deleted file mode 100644
index 1665aff..0000000
--- a/core/src/main/kotlin/com/usw/usgo/domain/productpost/PostLike.kt
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.usw.usgo.domain.productpost
-
-import com.usw.usgo.domain.BaseEntity
-import jakarta.persistence.Entity
-import jakarta.persistence.Table
-
-@Entity
-@Table(name = "post_likes")
-class PostLike(
-    val userId: Int,
-    val postId: Int,
-    var isDeleted: Boolean
-) : BaseEntity() {
-}
diff --git a/core/src/main/kotlin/com/usw/usgo/domain/productpost/ProductPost.kt b/core/src/main/kotlin/com/usw/usgo/domain/productpost/ProductPost.kt
deleted file mode 100644
index 1f13a2f..0000000
--- a/core/src/main/kotlin/com/usw/usgo/domain/productpost/ProductPost.kt
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.usw.usgo.domain.productpost
-
-import com.usw.usgo.domain.BaseEntity
-import jakarta.persistence.*
-
-@Entity
-@Table(name = "product_posts")
-class ProductPost(
-    val userId: Long,
-
-    @Column(length = 50)
-    var title: String,
-
-    @Column(columnDefinition = "text")
-    var content: String,
-
-    @Column(length = 50)
-    var contactPlace: String,
-
-    var price: Int,
-
-    @Enumerated(EnumType.STRING)
-    var status: Status = Status.NORMAL,
-    ) : BaseEntity() {
-}
-
-enum class Status {
-    NORMAL,
-    RESTRICTED,
-    DELETED,
-}