1. The first method is to add a credit card through computer settings. The steps are as follows: log in to Alipay and enter my account center; Select credit card payment in my application; Join the credit card repayment management, add credit cards, you can add 50 credit cards; Fill in the credit card related information to bind.

2. The other is mobile phone Alipay, plus a credit card. The specific steps are as follows: log in to Alipay and pay by credit card; Select the "Add" button in the upper right corner of credit card repayment; Fill in the credit card information, and then select Add.