How to complain about the most effective business method?

The ways to report the business are: 1, and you can call the report phone number12315; 2. You can report by letter, fax, SMS, email and the website complaint platform of 123 15. 3. You can report directly to the administrative department for industry and commerce. "Measures for Handling Consumer Complaints by the Administrative Department for Industry and Commerce" Article 11 A consumer complaint shall meet the following conditions: (1) There is a clear respondent; (two) there are specific complaints, facts and reasons; (3) Belonging to the scope of responsibilities of the administrative department for industry and commerce. Article 12 If a consumer complains through a letter, fax, short message, e-mail, 123 15 website, it shall specify: the name, address, telephone number and other contact information of the consumer; The name and address of the respondent; The requirements, reasons and relevant factual basis of the complaint; Complaint date, etc. If a consumer complains by telephone or at home, the staff of the administrative department for industry and commerce shall record the information listed in the preceding paragraph.