diff --git a/src/main/java/net/skhu/tastyinventory_be/domain/inventory/Inventory.java b/src/main/java/net/skhu/tastyinventory_be/domain/inventory/Inventory.java
new file mode 100644
index 0000000..7d97130
--- /dev/null
+++ b/src/main/java/net/skhu/tastyinventory_be/domain/inventory/Inventory.java
@@ -0,0 +1,34 @@
+package net.skhu.tastyinventory_be.domain.inventory;
+
+import jakarta.persistence.*;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import net.skhu.tastyinventory_be.domain.inventoryVolume.InventoryVolume;
+
+import java.util.HashSet;
+import java.util.Set;
+
+@Getter
+@NoArgsConstructor
+@Entity
+public class Inventory {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private  String name;
+    private  String unit;
+
+    @OneToMany(mappedBy = "inventory", cascade = CascadeType.ALL, orphanRemoval = true)
+    private Set<InventoryVolume> inventoryVolumes = new HashSet<>();
+
+
+    @Builder
+    public Inventory(Long id, String name, String unit, Set<InventoryVolume> inventoryVolumes) {
+        this.id = id;
+        this.name = name;
+        this.unit = unit;
+        this.inventoryVolumes = inventoryVolumes != null ? inventoryVolumes : new HashSet<>();
+    }
+}
diff --git a/src/main/java/net/skhu/tastyinventory_be/domain/inventory/InventoryRepository.java b/src/main/java/net/skhu/tastyinventory_be/domain/inventory/InventoryRepository.java
new file mode 100644
index 0000000..cb25355
--- /dev/null
+++ b/src/main/java/net/skhu/tastyinventory_be/domain/inventory/InventoryRepository.java
@@ -0,0 +1,7 @@
+package net.skhu.tastyinventory_be.domain.inventory;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface InventoryRepository extends JpaRepository<Inventory, Long> {
+
+}
diff --git a/src/main/java/net/skhu/tastyinventory_be/domain/inventoryVolume/InventoryVolume.java b/src/main/java/net/skhu/tastyinventory_be/domain/inventoryVolume/InventoryVolume.java
new file mode 100644
index 0000000..c953e39
--- /dev/null
+++ b/src/main/java/net/skhu/tastyinventory_be/domain/inventoryVolume/InventoryVolume.java
@@ -0,0 +1,53 @@
+package net.skhu.tastyinventory_be.domain.inventoryVolume;
+
+import jakarta.persistence.*;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import net.skhu.tastyinventory_be.domain.inventory.Inventory;
+
+import java.util.Date;
+
+
+@Getter
+@NoArgsConstructor
+@Entity
+public class InventoryVolume {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Temporal(TemporalType.DATE)
+    private Date weekStart;
+
+    private Integer friInventory;
+    private Integer sunInventory;
+    private Integer monOrder;
+    private Integer tueOrder;
+    private Integer wedOrder;
+    private Integer thuOrder;
+    private Integer friOrder;
+    private Integer satOrder;
+    private Integer sunOrder;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "inventory_id")
+    private Inventory inventory;
+
+    @Builder
+    public InventoryVolume(Long id, Date weekStart, Integer friInventory, Integer sumInventory, Integer monOrder, Integer tueOrder, Integer wedOrder, Integer thuOrder, Integer friOrder, Integer satOrder, Integer sunOrder, Inventory inventory) {
+        this.id = id;
+        this.weekStart = weekStart;
+        this.friInventory = friInventory;
+        this.sunInventory = sumInventory;
+        this.monOrder = monOrder;
+        this.tueOrder = tueOrder;
+        this.wedOrder = wedOrder;
+        this.thuOrder = thuOrder;
+        this.friOrder = friOrder;
+        this.satOrder = satOrder;
+        this.sunOrder = sunOrder;
+        this.inventory = inventory;
+    }
+}
diff --git a/src/main/java/net/skhu/tastyinventory_be/domain/inventoryVolume/InventoryVolumeRepository.java b/src/main/java/net/skhu/tastyinventory_be/domain/inventoryVolume/InventoryVolumeRepository.java
new file mode 100644
index 0000000..3b68fa1
--- /dev/null
+++ b/src/main/java/net/skhu/tastyinventory_be/domain/inventoryVolume/InventoryVolumeRepository.java
@@ -0,0 +1,6 @@
+package net.skhu.tastyinventory_be.domain.inventoryVolume;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface InventoryVolumeRepository extends JpaRepository<InventoryVolume, Long> {
+}
diff --git a/src/main/java/net/skhu/tastyinventory_be/domain/menu/Menu.java b/src/main/java/net/skhu/tastyinventory_be/domain/menu/Menu.java
new file mode 100644
index 0000000..bb7e47b
--- /dev/null
+++ b/src/main/java/net/skhu/tastyinventory_be/domain/menu/Menu.java
@@ -0,0 +1,32 @@
+package net.skhu.tastyinventory_be.domain.menu;
+
+import jakarta.persistence.*;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import net.skhu.tastyinventory_be.domain.recipe.Recipe;
+
+import java.util.HashSet;
+import java.util.Set;
+
+@Getter
+@NoArgsConstructor
+@Entity
+public class Menu {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private  String name;
+
+    @OneToMany(mappedBy = "menu", cascade = CascadeType.ALL, orphanRemoval = true)
+    private Set<Recipe> recipes = new HashSet<>();
+
+    @Builder
+    public Menu(Long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+}
diff --git a/src/main/java/net/skhu/tastyinventory_be/domain/menu/MenuRepository.java b/src/main/java/net/skhu/tastyinventory_be/domain/menu/MenuRepository.java
new file mode 100644
index 0000000..c72cd2e
--- /dev/null
+++ b/src/main/java/net/skhu/tastyinventory_be/domain/menu/MenuRepository.java
@@ -0,0 +1,6 @@
+package net.skhu.tastyinventory_be.domain.menu;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface MenuRepository extends JpaRepository<Menu, Long> {
+}
diff --git a/src/main/java/net/skhu/tastyinventory_be/domain/recipe/Recipe.java b/src/main/java/net/skhu/tastyinventory_be/domain/recipe/Recipe.java
new file mode 100644
index 0000000..631442f
--- /dev/null
+++ b/src/main/java/net/skhu/tastyinventory_be/domain/recipe/Recipe.java
@@ -0,0 +1,36 @@
+package net.skhu.tastyinventory_be.domain.recipe;
+
+import jakarta.persistence.*;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import net.skhu.tastyinventory_be.domain.inventory.Inventory;
+import net.skhu.tastyinventory_be.domain.menu.Menu;
+
+@Getter
+@NoArgsConstructor
+@Entity
+public class Recipe {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "menu_id")
+    private Menu menu;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "inventory_id")
+    private Inventory inventory;
+
+    private Integer usage;  //재료 사용량
+
+    @Builder
+    public Recipe(Long id, Menu menu, Inventory inventory, Integer usage) {
+        this.id = id;
+        this.menu = menu;
+        this.inventory = inventory;
+        this.usage = usage;
+    }
+
+}
diff --git a/src/main/java/net/skhu/tastyinventory_be/domain/recipe/RecipeRepository.java b/src/main/java/net/skhu/tastyinventory_be/domain/recipe/RecipeRepository.java
new file mode 100644
index 0000000..713f441
--- /dev/null
+++ b/src/main/java/net/skhu/tastyinventory_be/domain/recipe/RecipeRepository.java
@@ -0,0 +1,7 @@
+package net.skhu.tastyinventory_be.domain.recipe;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface RecipeRepository extends JpaRepository<Recipe, Long> {
+
+}