1. Find the WeChat icon on the home page of the mobile phone, and click to enter the main interface of WeChat.
2. Under the main interface options of WeChat, click to enter my interface.
3. Select the payment option in my interface and click to enter the payment interface.
4. Select the wallet in the payment interface, and click to enter the wallet setting interface.
5. Select the bank card option in the wallet setting interface, and click to enter the bank card setting interface.
6. Select the credit card to be deleted in the bank card setting interface, and click to enter the credit card setting interface.
7. Click the drop-down menu button at the top right of the credit card setting interface to open the drop-down menu.
8. Select the Unbind option in the drop-down menu to unbind the credit card.
9. Enter the payment password in the Unbind interface to unbind the credit card. That is, the operation of deleting the credit card added in WeChat is completed.