1. the user calls the customer service phone number of the issuing bank, and transfers it to the manual service, so that the customer service can inform the credit card of its honor.

2. Go to the local central bank's credit information center and provide any valid certificate such as ID card, passport and military officer's card for inquiry, so you can check the credit card's honor (credit information) in real time.

3. The user takes the ID card and goes to the bank's business outlets for inquiry.