The inquiry method of the credit card application progress of Postal Savings Bank is as follows:

1. Open Baidu search, enter "Postal Savings Bank" in the search bar, find China Postal Savings Bank official website after the search and click Enter.

2. After entering China Postal Savings Bank official website, find the item "Credit Card" and click Enter.

3. after entering the credit card, find the item "application progress inquiry" and click enter.

fourth, after entering the application progress query, you can query the application progress of the credit card by entering the corresponding information and passing the verification.