Use mobile Alipay to bind the bank card that needs to be opened for quick payment. The specific operation method is:

1. Find the "Bank Card" option in the Alipay My interface and click Open.

2. Click the " " sign in the upper right corner of the bank card interface.

3. Enter the bank card information required to activate quick payment.

4. Enter the mobile phone number bound to the bank card.

5. Fill in the verification code and click Next to activate "Quick Payment".