Take the credit cards paid by Postal Savings Bank to other banks as an example:

1. Log in to the mobile banking of Postal Savings Bank, and enter my relevant information to log in.

2. Find the "Smart Transfer" option on the home page of Postal Savings Bank, and click Enter.

3. Enter the credit card information of other banks according to the interface prompts, and click "Confirm" to enter the payment interface.

4. After entering the transaction password in the payment interface, click OK.

5. The interface displays "Transaction Successfully Accepted", that is, payment has been made to another bank's credit card.