Complain to the China Banking and Insurance Regulatory Commission. The full name of the China Banking Regulatory Commission is the China Banking and Insurance Regulatory Commission. Its main responsibilities are to uniformly supervise and manage the banking and insurance industries in accordance with laws and regulations, maintain the legal and stable operation of the banking and insurance industries, prevent and resolve financial risks, protect the legitimate rights and interests of financial consumers, and safeguard the financial industry. Stablize. First of all, bank credit card centers are most afraid of complaints from the China Banking and Insurance Regulatory Commission, because all bank actions are supervised by the China Banking and Insurance Regulatory Commission. If the complaints are serious, the bank will be punished accordingly. For example, financial and business licenses may be revoked, illegal gains may be confiscated, etc. Secondly, you can complain through the media, because the media complaints have a high exposure rate and will put a certain amount of public pressure on the bank.