Prepare a Xiaomi 6 mobile phone.

1. First open the Xiaomi Mi 6 phone, find and open the Alipay software, and click My options in the lower right corner.

2. After entering the My page, find and click on the bank card option.

3. After entering the bank card page, click the " " sign in the upper right corner to add a credit card.

4. On the page to add a bank card, follow the prompts to add the card number and cardholder, and then click Next to complete the credit card binding.

5. When paying, when confirming the payment, a payment method will pop up. Click on the right side of the payment method.

6. On the payment method page, select the bound credit card for payment.