1. First, log in to WeChat account via mobile phone, and click the plus button above to pop up the drop-down menu;

2. Click the Add Friend function option in the drop-down menu to enter the WeChat Add Friend interface;

3. Click the WeChat official account option in the WeChat Add Friends interface to enter the WeChat official account search interface, and enter the China Postal Savings Bank credit card in the input box;

4. Click the search button after entering, and the system will automatically search the WeChat WeChat official account related to the bank for you to choose;

5. After checking, the first one is WeChat official account we are looking for. Click and enter the details of the public account;

6. Click on the attention below to successfully pay attention to the public account and enter the dialogue window. At this time, you can see that there are function keys such as debit card, credit card and micro-life in the menu bar below;

7. Click the credit card function key to pop up the drop-down menu, and select credit card account inquiry. At this point, the system prompts that WeChat Bank is not bound, please click Sign up for binding;

8. Click the signing and binding button to enter the mobile banking interface of Postal Savings Bank, and enter the mobile phone number used when opening mobile banking as required;

9. Click OK to enter the login interface, enter the login password and other information as required, and click Next. If the information is entered correctly, the system will prompt you that the WeChat service has been successfully bound;

10. Return to the dialogue interface, click the credit card option again to pop up the drop-down menu, select the credit card account to query, and you can query the details of the signal card account through WeChat;