call 12315. Consumers can choose to complain and report the behavior of the merchants to the relevant departments. Consumers can call 12315 to report and complain about the behavior of the merchants to the local market supervision and management department. The market supervision and management department has the responsibility of supervision and management, which can effectively deal with the behavior of the merchants in violation of market management laws and regulations, so the merchants will be subject to administrative punishment, and consumers with damaged interests can also bring a lawsuit to the people's court, sue the store and demand to safeguard their legitimate rights and interests. Complaint refers to the act of asking the administrative department in writing to deal with the violation of the law by the unit that infringes on its rights and interests. The complainant is the person whose rights and interests have been infringed and has an interest in the complaint.