diff --git a/backend/db/models/__init__.py b/backend/db/models/__init__.py
index 246819e..64fb84f 100644
--- a/backend/db/models/__init__.py
+++ b/backend/db/models/__init__.py
@@ -10,6 +10,9 @@
 from backend.db.models.tables.mission_results import MissionResult
 from backend.db.models.tables.ranking_results import RankingResult
 from backend.db.models.tables.weeks import Week
+from backend.db.models.tables.exchanges import Exchange
+from backend.db.models.tables.discount_tickets import DiscountTicket
 from backend.db.models.tables.bp_entries import BpEntry
 from backend.db.models.tables.user_week_preference import UserWeekPreference
 
+
diff --git a/backend/db/models/tables/discount_tickets.py b/backend/db/models/tables/discount_tickets.py
new file mode 100644
index 0000000..a5a5b44
--- /dev/null
+++ b/backend/db/models/tables/discount_tickets.py
@@ -0,0 +1,16 @@
+from db.models.common import *
+from sqlalchemy import Column, Integer, String, Text, DateTime
+from sqlalchemy.sql import func
+# from backend.db.database import Base
+
+# 割引券テーブルのモデル
+class DiscountTicket(Base):
+    __tablename__ = "discount_tickets" # データベース上のテーブル名
+
+    coupon_id = Column(Integer, primary_key=True, autoincrement=True)# クーポンID（主キー、自動採番）
+    ticket_name = Column(String(100),nullable=False)# 商品名
+    description = Column(Text)# 商品の詳細説明
+    point_cost = Column(Integer, nullable=False)# このクーポンを交換するために必要なBPポイント
+    image_url = Column(String(255))# 商品画像のURL（
+    created_at = Column(DateTime(timezone=True),server_default=func.now()) # 登録日時（デフォルトで現在時刻）
+    update_at = Column(DateTime(timezone=True),onupdate=func.now())# 更新日時（更新時に自動で現在時刻をセット）
\ No newline at end of file
diff --git a/backend/db/models/tables/exchanges.py b/backend/db/models/tables/exchanges.py
new file mode 100644
index 0000000..89c3d9c
--- /dev/null
+++ b/backend/db/models/tables/exchanges.py
@@ -0,0 +1,12 @@
+from db.models.common import *
+from sqlalchemy import Column,Integer, String, DateTime, ForeignKey
+from sqlalchemy.sql import func
+# from backend.db.database import Base #既存のBaseクラスを使用
+
+class Exchange(Base):
+    __tablename__ = "exchanges"
+
+    exchange_id = Column(Integer, primary_key=True, autoincrement=True)
+    user_id = Column(String(64), nullable=False)
+    coupon_id = Column(Integer, ForeignKey("discount_tickets.coupon_id"), nullable=False)
+    exchanged_at = Column(DateTime(timezone=True), server_default=func.now())
\ No newline at end of file