Yes, overdue fees will be incurred. A credit card, also called a credit card, is a credit certificate issued by a commercial bank or credit card company to consumers with qualified credit. When the credit card is overdue for a long time, the original 20,000 yuan will become 40,000 yuan. The format is a card with the name of the issuing bank, validity period, number, cardholder name, etc. printed on the front and a magnetic strip and signature strip on the back. Consumers holding credit cards can go to a special commercial service department for shopping or consumption, and then the card will be Banks settle accounts with merchants and cardholders, and cardholders can overdraw within the prescribed limit.