To change the bank card bound to Alipay, you can follow the steps below:

  1. Open Alipay APP.
  2. Enter the “My” page.
  3. Click the “Settings” icon at the bottom of the page.
  4. In the Settings menu, find the “Payment Settings” or “Account Management” option.
  5. Select “Bank Card” or “Real Name Authentication”.
  6. Click on the bound bank card to enter the bank card details page.
  7. On the bank card details page, find the option of “Unbind” or “Change Bank Card”.
  8. Follow the prompts. You may need to enter the original bank card password or verification code.
  9. Enter the new bank card information and follow the prompts to complete the binding.

Please note that the specific operation steps may change according to the version update of Alipay APP.