Both parties can solve the problem through consultation, or request a third party to intervene in mediation, or complain or even sue the relevant departments.

According to the Consumer Protection Law:

Article 39 Disputes between consumers and business operators over consumers' rights and interests can be resolved through the following channels:

(a) negotiated settlement with the operator;

(2) Requesting consumers' associations or other mediation organizations established according to law to mediate;

(three) to complain to the relevant administrative departments;

(four) according to the arbitration agreement reached with the operator, submit it to an arbitration institution for arbitration;

(5) bring a lawsuit to the people's court.

Extended data:

If consumers are professional counterfeiters, they cannot sue.

According to the provisions of the Supreme People's Court on several issues concerning the application of law in the trial of food and drug disputes:

Article 1 The people's court shall accept a civil lawsuit brought by a consumer over a food and drug dispute that meets the acceptance conditions stipulated in the Civil Procedure Law.

Article 3 If a buyer claims rights from a producer or a seller because of a dispute over the quality of food or medicine, and the producer or the seller makes a defense on the grounds that the buyer still buys the food or medicine knowing that there are quality problems, the people's court will not support it.

References:

Consumer Protection Law-Baidu Encyclopedia