Methods stipulate that 12331 is the national opening of a unified food and drug regulatory authorities to report complaints phone. In addition to the phone, units, individuals can through letters, the Internet, fax, visits, cell phone text messages, etc., to the regulatory authorities to reflect the drugs, medical devices, health food, cosmetics in the development, production, circulation, use of illegal behavior, as well as food safety violations in the food service sector.

12331 is a food and drug complaint and reporting telephone number required by the State Food and Drug Administration to be opened by localities under the Measures for the Administration of Food and Drug Complaint and Reporting issued by the State Food and Drug Administration in December 2011.On February 28, 2019, the State Administration of Market Supervision and Administration of the People's Republic of China (SAMSAR) issued the "Market Supervision and Administration of the General Administration of Market Supervision and Administration of the Integration of Construction of the 12315 Administration and Law Enforcement System to Better Serve Market Supervision and Law Enforcement Opinions", which stipulates that by the end of 2020, the market supervision complaint phone number will be unified as 12315.