1. In the WeChat my interface, open the service and open the wallet option.
2. In the wallet interface, open the Bank Card option and open the Add Bank Card option.
3. In the Add Bank Card interface, fill in the bank card number and click Next.
4. Click Agree in the agreement interface, fill in the verification code in the mobile phone number verification interface, click Next to pay the bill, and bind the credit card to WeChat.