1. Cardholders can directly bring their valid identity documents and credit cards, go to the issuing bank's business outlets to inquire about the details of credit card transactions, queue up at the outlets to get the number, and inform the counter staff of the requirements after calling the number. The staff will help to inquire about the transaction details, and they can also print the transaction details bill for free.

2. The credit card holder logs into the online bank of the issuing bank and inquires about the bill through the credit card inquiry in the account inquiry service.