1. Help banks master high-quality customer resources, so as to expand related businesses, especially customers with platinum cards and gold cards, which are often the key sales targets of bank wealth management products;
2. The basic function of a credit card is to spend money by swiping the card, and the bank encourages the cardholder to spend money, because the merchants have to pay the bank a handling fee, ranging from 1% to 3%, which is lower in the general retail industry and higher in hotels, restaurants and other entertainment places.
3. Some cardholders need a credit card to withdraw cash by overdraft, and the handling fee and interest income from overdraft withdrawal are not small income for banks.
4. Credit cards bring annual fee income (especially high-end credit cards such as gold cards and platinum cards).
5. Credit cards can be used as products of cooperation between banks and other entities (this is how many co-branded credit cards are produced).