1. When your rights and interests are infringed and the respondent is under the jurisdiction of the administrative department for industry and commerce; 2, when you are in the process of consumption, your legitimate rights and interests are violated; 3. When you find fake and shoddy goods and "black dens" for manufacturing and selling fake and shoddy goods. Please call 123 15 to report the complaint, which will help you mediate the dispute; If economic violations are found, they will be investigated and dealt with according to law. Article 39 of the Law of People's Republic of China (PRC) on the Protection of Consumer Rights and Interests disputes between consumers and business operators can be resolved through the following channels: (1) through consultation with business operators; (2) Requesting consumers' associations or other mediation organizations established according to law to mediate; (three) to complain to the relevant administrative departments.