Use WeChat, Alipay, etc. to scan the QR code provided by the payee, enter the amount, and then select the bank card to be bound to pay.

If the payee's QR code acquiring institution uses a bank channel, you can not only choose to pay with a credit card, but also pay with a large amount, unlike the three-party payment channel with a limit. The payment will be paid to the savings card bound to the payee. Some people also use this method to transfer money from a credit card to a debit card