Credit card audit is divided into three steps, the first step is personal information audit, the second step is personal assets audit, and the third step is personal credit audit.

Generally speaking, the completion of personal information audit and personal assets audit is regarded as the completion of the first instance. Because these two steps are reviewed by the issuing bank itself. The third step is to apply for the audit of the information base of the Personal Credit Information Center of China Unicom People's Bank.