Redeem coupons of different denominations. Sam membership card adopts the point system, and members can get points for shopping and participating in activities, and the points can be used to redeem various coupons, including but not limited to shopping coupons and life service coupons. This point system can encourage members to shop more and participate in activities, and at the same time, it can also allow members to enjoy more benefits and benefits. By redeeming coupons with different denominations, members can choose the most appropriate discount method according to their shopping needs and life service needs.