The steps for Alipay to pay by credit card are as follows:

1, open the standby desktop of the mobile phone, find and click Alipay APP.

2. Then enter the Alipay page and select "Sweep" at the point indicated by the arrow.

3. After the next purchase, scan the merchant's receipt code.

4. On the payment page, enter the payment amount and click "Confirm Payment".

5. Next, on the page of confirming payment, select "Payment Method".

6. Then select the bound credit card in the list, and finally enter the payment password for payment.