Bank cards can be bound to Alipay to open fast payment. The operation method is as follows:

1. First, open the Alipay client on the mobile phone desktop.

2. After opening the Alipay client, click Me in the lower right corner of the page.

3. On my page, click the bank card indicated by the arrow.

4. Then, click Add Bank Card.

5. Next, enter the card number according to the prompt to bind and open fast payment.