It is useless to complain directly to the CBRC if you encounter any disputes in buying wealth management products at banks. In general, you should contact the bank first, which will give the bank a chance to solve the complaint as soon as possible. In fact, the complaint channels of banks are doing very well now, and they can be handled by telephone, WeChat and counter, and they all have their own set of error correction processes. Only if you are dissatisfied with the bank's handling of the complaint, or if the bank fails to give a final reply within the agreed time after receiving the complaint, your complaint will be accepted by the CBRC, and it can only be in written form, and oral or anonymous complaints will be invalid.