First, the bank's internal complaint telephone number. If you are not satisfied with customer service and banking business, you can choose to call the bank and then find the corresponding acceptance department according to the voice prompt.

Industrial and Commercial Bank (95588); Agricultural Bank (95599); Bank of China (95566); China Construction Bank (95533); Bank of Communications (95559); Shanghai Pudong Development Bank (95528); Industrial Bank (95561); China Everbright Bank (95595); Minsheng Bank (95568); China CITIC Bank (95558); China Merchants Bank (95555); Postal savings (1 1 185)

The second is the local banking regulatory bureau. Every region has a special CBRC, which is the local agency of the banking industry. If you have corresponding problems to report complaints, you can also search for the banking regulatory bureau of the province on Baidu, find the complaint phone number, or leave a message or email to report.