According to Caiti's inquiry. Bank cards are free. All procedures for bank cards are free. No matter whether it is a savings card or a bank credit card, there will be no extra charge. Generally, you can call the bank credit card with an ID card similar to a bank card at the bank counter, and it can be used normally after the call. If the user's card is not used for a long time after the application is processed, it will be detected as a sleep account by the network, and it will be locked in the long run.