diff --git a/jpashop2/src/main/java/jpabook/jpashop/Member.java b/jpashop2/src/main/java/jpabook/jpashop/Member.java
deleted file mode 100644
index f1a2b3f..0000000
--- a/jpashop2/src/main/java/jpabook/jpashop/Member.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package jpabook.jpashop;
-
-import lombok.Getter;
-import lombok.Setter;
-
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
-
-@Entity
-@Getter @Setter
-public class Member {
-
-    @Id @GeneratedValue
-    private Long id;
-    private String username;
-}
diff --git a/jpashop2/src/main/java/jpabook/jpashop/MemberRepository.java b/jpashop2/src/main/java/jpabook/jpashop/MemberRepository.java
index 90c4bb7..5714be8 100644
--- a/jpashop2/src/main/java/jpabook/jpashop/MemberRepository.java
+++ b/jpashop2/src/main/java/jpabook/jpashop/MemberRepository.java
@@ -1,5 +1,6 @@
 package jpabook.jpashop;
 
+import jpabook.jpashop.domain.Member;
 import org.springframework.stereotype.Repository;
 
 import javax.persistence.EntityManager;
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/Address.java b/jpashop2/src/main/java/jpabook/jpashop/domain/Address.java
new file mode 100644
index 0000000..213ae62
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/Address.java
@@ -0,0 +1,23 @@
+package jpabook.jpashop.domain;
+
+import lombok.Getter;
+
+import javax.persistence.Embeddable;
+
+@Embeddable
+@Getter
+public class Address {
+
+    private String city;
+    private String street;
+    private String zipcode;
+
+    protected Address() {
+    }
+
+    public Address(String city, String street, String zipcode) {
+        this.city = city;
+        this.street = street;
+        this.zipcode = zipcode;
+    }
+}
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/Category.java b/jpashop2/src/main/java/jpabook/jpashop/domain/Category.java
new file mode 100644
index 0000000..17ab898
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/Category.java
@@ -0,0 +1,38 @@
+package jpabook.jpashop.domain;
+
+import jpabook.jpashop.domain.item.Item;
+import lombok.Getter;
+import lombok.Setter;
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Getter @Setter
+public class Category {
+
+    @Id @GeneratedValue
+    @Column(name = "category_id")
+    private Long id;
+
+    private String name;
+
+    @ManyToMany
+    @JoinTable(name = "category_item",
+            joinColumns = @JoinColumn(name = "category_id"),
+            inverseJoinColumns = @JoinColumn(name = "item_id"))
+    private List<Item> items = new ArrayList<>();
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "parent_id")
+    private Category parent;
+
+    @OneToMany(mappedBy = "parent")
+    private List<Category> child = new ArrayList<>();
+
+    //==연관관계 메서드==//
+    public void addChildCategory(Category child) {
+        this.child.add(child);
+        child.setParent(this);
+    }
+}
\ No newline at end of file
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/Delivery.java b/jpashop2/src/main/java/jpabook/jpashop/domain/Delivery.java
new file mode 100644
index 0000000..2985781
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/Delivery.java
@@ -0,0 +1,24 @@
+package jpabook.jpashop.domain;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+
+@Entity
+@Getter @Setter
+public class Delivery {
+
+    @Id @GeneratedValue
+    @Column(name = "delivery_id")
+    private Long id;
+
+    @OneToOne(mappedBy = "delivery", fetch = FetchType.LAZY)
+    private Order order;
+
+    @Embedded
+    private Address address;
+
+    @Enumerated(EnumType.STRING)
+    private DeliveryStatus status;  //ENUM [READY(준비), COMP(배송)]
+}
\ No newline at end of file
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/DeliveryStatus.java b/jpashop2/src/main/java/jpabook/jpashop/domain/DeliveryStatus.java
new file mode 100644
index 0000000..13127ef
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/DeliveryStatus.java
@@ -0,0 +1,5 @@
+package jpabook.jpashop.domain;
+
+public enum DeliveryStatus {
+    READY, COMP
+}
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/Member.java b/jpashop2/src/main/java/jpabook/jpashop/domain/Member.java
new file mode 100644
index 0000000..568bb51
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/Member.java
@@ -0,0 +1,25 @@
+package jpabook.jpashop.domain;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Getter @Setter
+public class Member {
+
+    @Id @GeneratedValue
+    @Column(name = "member_id")
+    private Long id;
+
+    private String name;
+
+    @Embedded
+    private Address address;
+
+    @OneToMany(mappedBy = "member")
+    private List<Order> orders = new ArrayList<>();
+}
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/Order.java b/jpashop2/src/main/java/jpabook/jpashop/domain/Order.java
new file mode 100644
index 0000000..4e45715
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/Order.java
@@ -0,0 +1,51 @@
+package jpabook.jpashop.domain;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(name = "orders")
+@Getter @Setter
+public class Order {
+
+    @Id @GeneratedValue
+    @Column(name = "order_id")
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id")
+    private Member member;  //주문 회원
+
+    @OneToMany(mappedBy = "order", cascade = CascadeType.ALL)
+    private List<OrderItem> orderItems = new ArrayList<>();
+
+    @OneToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinColumn(name = "delivery_id")
+    private Delivery delivery; //배송정보
+
+    private LocalDateTime orderDate; //주문시간
+
+    @Enumerated(EnumType.STRING)
+    private OrderStatus status; //주문상태 [ORDER, CANCEL]
+
+    //==연관관계 메서드==//
+    public void setMember(Member member) {
+        this.member = member;
+        member.getOrders().add(this);
+    }
+
+    public void addOrderItem(OrderItem orderItem) {
+        orderItems.add(orderItem);
+        orderItem.setOrder(this);
+    }
+
+    public void setDelivery(Delivery delivery) {
+        this.delivery = delivery;
+        delivery.setOrder(this);
+    }
+}
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/OrderItem.java b/jpashop2/src/main/java/jpabook/jpashop/domain/OrderItem.java
new file mode 100644
index 0000000..902552e
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/OrderItem.java
@@ -0,0 +1,28 @@
+package jpabook.jpashop.domain;
+
+import jpabook.jpashop.domain.item.Item;
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "order_item")
+@Getter @Setter
+public class OrderItem {
+
+    @Id @GeneratedValue
+    @Column(name = "order_item_id")
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "item_id")
+    private Item item; //주문 상품
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "order_id")
+    private Order order; //주문
+
+    private int orderPrice; //주문 가격
+    private int count; //주문 수량
+}
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/OrderStatus.java b/jpashop2/src/main/java/jpabook/jpashop/domain/OrderStatus.java
new file mode 100644
index 0000000..e6e0700
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/OrderStatus.java
@@ -0,0 +1,5 @@
+package jpabook.jpashop.domain;
+
+public enum OrderStatus {
+    ORDER, CANCEL
+}
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/item/Album.java b/jpashop2/src/main/java/jpabook/jpashop/domain/item/Album.java
new file mode 100644
index 0000000..28d595d
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/item/Album.java
@@ -0,0 +1,16 @@
+package jpabook.jpashop.domain.item;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.DiscriminatorValue;
+import javax.persistence.Entity;
+
+@Entity
+@DiscriminatorValue("A")
+@Getter @Setter
+public class Album extends Item {
+
+    private String artist;
+    private String etc;
+}
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/item/Book.java b/jpashop2/src/main/java/jpabook/jpashop/domain/item/Book.java
new file mode 100644
index 0000000..9457fb5
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/item/Book.java
@@ -0,0 +1,15 @@
+package jpabook.jpashop.domain.item;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+
+@Entity
+@DiscriminatorValue("B")
+@Getter @Setter
+public class Book extends Item {
+
+    private String author;
+    private String isbn;
+}
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/item/Item.java b/jpashop2/src/main/java/jpabook/jpashop/domain/item/Item.java
new file mode 100644
index 0000000..fbd7e75
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/item/Item.java
@@ -0,0 +1,27 @@
+package jpabook.jpashop.domain.item;
+
+import jpabook.jpashop.domain.Category;
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
+@DiscriminatorColumn(name = "dtype")
+@Getter @Setter
+public abstract class Item {
+
+    @Id @GeneratedValue
+    @Column(name = "item_id")
+    private Long id;
+
+    private String name;
+    private int price;
+    private int stockQuantity;
+
+    @ManyToMany(mappedBy = "items")
+    private List<Category> categories = new ArrayList<Category>();
+}
\ No newline at end of file
diff --git a/jpashop2/src/main/java/jpabook/jpashop/domain/item/Movie.java b/jpashop2/src/main/java/jpabook/jpashop/domain/item/Movie.java
new file mode 100644
index 0000000..a5c7fbc
--- /dev/null
+++ b/jpashop2/src/main/java/jpabook/jpashop/domain/item/Movie.java
@@ -0,0 +1,16 @@
+package jpabook.jpashop.domain.item;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.DiscriminatorValue;
+import javax.persistence.Entity;
+
+@Entity
+@DiscriminatorValue("M")
+@Getter @Setter
+public class Movie extends Item {
+
+    private String director;
+    private String actor;
+}
diff --git a/jpashop2/src/test/java/jpabook/jpashop/MemberRepositoryTest.java b/jpashop2/src/test/java/jpabook/jpashop/MemberRepositoryTest.java
index 4d68fc4..edf7b53 100644
--- a/jpashop2/src/test/java/jpabook/jpashop/MemberRepositoryTest.java
+++ b/jpashop2/src/test/java/jpabook/jpashop/MemberRepositoryTest.java
@@ -1,5 +1,6 @@
 package jpabook.jpashop;
 
+import jpabook.jpashop.domain.Member;
 import org.assertj.core.api.Assertions;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -10,8 +11,6 @@
 
 import javax.transaction.Transactional;
 
-import static org.junit.Assert.*;
-
 @RunWith(SpringRunner.class)
 @SpringBootTest
 public class MemberRepositoryTest {