diff --git a/app/database/models.py b/app/database/models.py
index a204ef14..940902b1 100644
--- a/app/database/models.py
+++ b/app/database/models.py
@@ -1080,6 +1080,7 @@ class Subscription(Base):
     tariff = relationship("Tariff", back_populates="subscriptions")
     discount_offers = relationship("DiscountOffer", back_populates="subscription")
     temporary_accesses = relationship("SubscriptionTemporaryAccess", back_populates="subscription")
+    traffic_purchases = relationship("TrafficPurchase", back_populates="subscription", cascade="all, delete-orphan")
     
     @property
     def is_active(self) -> bool:
@@ -1238,6 +1239,26 @@ class Subscription(Base):
         return True
 
 
+class TrafficPurchase(Base):
+    """Докупка трафика с индивидуальной датой истечения."""
+    __tablename__ = "traffic_purchases"
+
+    id = Column(Integer, primary_key=True, index=True)
+    subscription_id = Column(Integer, ForeignKey("subscriptions.id", ondelete="CASCADE"), nullable=False, index=True)
+
+    traffic_gb = Column(Integer, nullable=False)  # Количество ГБ в покупке
+    expires_at = Column(DateTime, nullable=False, index=True)  # Дата истечения (покупка + 30 дней)
+
+    created_at = Column(DateTime, default=func.now())
+
+    subscription = relationship("Subscription", back_populates="traffic_purchases")
+
+    @property
+    def is_expired(self) -> bool:
+        """Проверяет, истекла ли докупка."""
+        return datetime.utcnow() >= self.expires_at
+
+
 class Transaction(Base):
     __tablename__ = "transactions"
     
diff --git a/app/database/universal_migration.py b/app/database/universal_migration.py
index fa7ccb02..5973c355 100644
--- a/app/database/universal_migration.py
+++ b/app/database/universal_migration.py
@@ -5135,6 +5135,68 @@ async def create_withdrawal_requests_table() -> bool:
         return False
 
 
+# =============================================================================
+# МИГРАЦИЯ ДЛЯ ИНДИВИДУАЛЬНЫХ ДОКУПОК ТРАФИКА
+# =============================================================================
+
+async def create_traffic_purchases_table() -> bool:
+    """Создаёт таблицу для индивидуальных докупок трафика с отдельными датами истечения."""
+    try:
+        if await check_table_exists('traffic_purchases'):
+            logger.info("ℹ️ Таблица traffic_purchases уже существует")
+            return True
+
+        async with engine.begin() as conn:
+            db_type = await get_database_type()
+
+            if db_type == 'sqlite':
+                create_sql = """
+                CREATE TABLE traffic_purchases (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    subscription_id INTEGER NOT NULL,
+                    traffic_gb INTEGER NOT NULL,
+                    expires_at DATETIME NOT NULL,
+                    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+                    FOREIGN KEY (subscription_id) REFERENCES subscriptions(id) ON DELETE CASCADE
+                );
+                CREATE INDEX idx_traffic_purchases_subscription_id ON traffic_purchases(subscription_id);
+                CREATE INDEX idx_traffic_purchases_expires_at ON traffic_purchases(expires_at);
+                """
+            elif db_type == 'postgresql':
+                create_sql = """
+                CREATE TABLE traffic_purchases (
+                    id SERIAL PRIMARY KEY,
+                    subscription_id INTEGER NOT NULL REFERENCES subscriptions(id) ON DELETE CASCADE,
+                    traffic_gb INTEGER NOT NULL,
+                    expires_at TIMESTAMP NOT NULL,
+                    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                );
+                CREATE INDEX idx_traffic_purchases_subscription_id ON traffic_purchases(subscription_id);
+                CREATE INDEX idx_traffic_purchases_expires_at ON traffic_purchases(expires_at);
+                """
+            else:  # mysql
+                create_sql = """
+                CREATE TABLE traffic_purchases (
+                    id INT AUTO_INCREMENT PRIMARY KEY,
+                    subscription_id INT NOT NULL,
+                    traffic_gb INT NOT NULL,
+                    expires_at DATETIME NOT NULL,
+                    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+                    FOREIGN KEY (subscription_id) REFERENCES subscriptions(id) ON DELETE CASCADE,
+                    INDEX idx_traffic_purchases_subscription_id (subscription_id),
+                    INDEX idx_traffic_purchases_expires_at (expires_at)
+                );
+                """
+
+            await conn.execute(text(create_sql))
+            logger.info("✅ Таблица traffic_purchases создана")
+
+        return True
+    except Exception as error:
+        logger.error(f"❌ Ошибка создания таблицы traffic_purchases: {error}")
+        return False
+
+
 # =============================================================================
 # МИГРАЦИИ ДЛЯ РЕЖИМА ТАРИФОВ
 # =============================================================================
@@ -6460,6 +6522,13 @@ async def run_universal_migration():
         else:
             logger.warning("⚠️ Проблемы с настройкой доступа серверов к промогруппам")
 
+        logger.info("=== СОЗДАНИЕ ТАБЛИЦЫ ДОКУПОК ТРАФИКА ===")
+        traffic_purchases_ready = await create_traffic_purchases_table()
+        if traffic_purchases_ready:
+            logger.info("✅ Таблица traffic_purchases готова")
+        else:
+            logger.warning("⚠️ Проблемы с таблицей traffic_purchases")
+
         logger.info("=== СОЗДАНИЕ ТАБЛИЦ ДЛЯ РЕЖИМА ТАРИФОВ ===")
         tariffs_table_ready = await create_tariffs_table()
         if tariffs_table_ready: