The most severe way to complain to a bank:

1. The complainant can complain to the China Banking Regulatory Commission in writing, describing in detail what happened and the issues complained of;

2. The complainant can call the head office of the Bank of China to make a complaint, and the national head office will make a record and then contact the branch where the customer complained for verification;

3. The complainant can go to the bank head office in the city or call the city Complaints can be made through the service hotline of the head office;

4. The complainant directly contacts the bank where the complaint was made, and promptly finds out the whole story of the matter and resolves the problem face to face with the bank.

1. Complaint refers to the fact that the person whose rights and interests have been infringed has the right to assert his or her own rights to the relevant state agency regarding the illegal and criminal facts of the organization involved in the case of infringement of his legitimate rights and interests. The complainant is the person whose rights and interests have been violated.

2. Consumer complaints refer to consumers purchasing and using goods or receiving services for daily consumption. After a consumer rights dispute arises between them and an operator, they request mediation from a consumer rights protection organization and request acts to protect their legitimate rights and interests.

3. Consumer complaints can be made in the form of phone calls, letters, interviews, or the Internet. However, no matter which form is adopted, the following contents must be made clear:

First, the basic situation of the complainant. That is, the complainant’s name, gender, contact address, contact number, postal code, etc.

The second is the basic situation of the respondent. That is, the name, address, phone number, etc. of the respondent.

The third is the time, brand, origin, specification, quantity, price, etc. of purchasing the goods.

The fourth is the specific circumstances of the damage, the time when the problem was discovered, and the process of negotiation with the operator.

The fifth is the purchase voucher, warranty card, copy of the agreement, etc.

4. The Consumers Association accepts the following complaints in accordance with the law: