Method: If the credit card of China Merchants Bank has been bound to the Alipay account, when you choose to pay after shopping on Taobao, just check the credit card of China Merchants Bank for payment.

The specific steps are as follows:

1. On the mobile desktop, find the Taobao client and click to open it.

2. Next, enter the Taobao page, select the product you want to purchase, and then click "Checkout" where the arrow points.

3. Next, on the "Confirm Order" page, select "Submit Order" pointed by the red arrow at the bottom right of the page.

4. Next, on the page, find the bank card you want to pay with and select it.