1. Log in to Amazon account on the computer, click My Account in the upper right corner, and then find the content and devices that manage me in the menu list.

2. Go to Manage My Content and Devices, and then select Settings.

3. Find the kindle payment method settings under the settings bar, and then click the Edit Payment Method button.

4. Then find Add Debit Card and click Add New Card below.

5. Enter the page of adding debit card, and enter the information such as UnionPay card number to be added according to the prompt.

6. After filling in the relevant information, click the "Open" button, which means that you have successfully opened it, and you are successful. Log in to Amazon account in kindle e-book reader, and you will find that the bank card has been bound.