Legal analysis: there is a telephone complaint against the merchants in the physical store, and the telephone number is 123 15. In addition, consumers can also complain to physical store merchants through letters, faxes, text messages, emails and the complaint platform of 123 15 website.

Legal basis: 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 on 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.