Membership card is a media card for customer management, it can be combined with the system. When customers consume, they can generate points. After the points are accumulated, they can be used to exchange gifts or converted into cash deduction. Membership cards often have membership pin codes, bar code, magnetic stripe or chip to store customer information. Membership cards help to improve customers’ repurchase rate and loyalty, and help business people increase sales. Always it contains VIP cards, loyalty cards, discount cards.