1. After the mobile phone opens WeChat to enter, click Me in the lower right corner, then find the "Payment" column and click Enter.
Second, after entering the payment, find the item "wallet" and click Enter.
3. After entering the wallet, find the item "Bank Card" and click Enter.
4. After entering the bank card, find the item "Add Bank Card" and click Enter.
5. After adding a bank card, enter the card number of the credit card to be added. After verification, the binding is successful.
6. Then, when using WeChat to pay, you can choose to pay by credit card.