1. Open the WeChat app, then click "I" on the home page, and then select "Pay";
2. Then enter the payment interface and click the "wallet" option in the upper right corner of the interface;
3. Then click the "Bank Card" option in the wallet interface. After entering the bank card interface, click the "+Add Bank Card" option below;
4. Then enter the interface of adding bank card, fill in the cardholder's name and credit card number as prompted, and click "Next";
5. Enter the payment password and bind it after authentication.