Generally, you can apply for a refund or return first. If the seller refuses to apply, he can complain. Complaints should be initiated within 15 days of a successful transaction.

First, the general complaint method:

1. Among the purchased treasures, select the Taobao seller who has purchased the goods. If there are complaints related options, click "Complain about the seller".

2. Enter the applicant's mobile phone number and related information in the complaint application.

3. After submission, wait for the seller to handle it.

4. If you are not satisfied with the seller's handling results, you can apply for Taobao clerk to intervene.

Second, you can call the official customer service phone to complain.

Third, rely on legal channels to solve.

According to Article 39 of the Law on the Protection of Consumer Rights and Interests, disputes over consumer rights and interests between consumers and business operators can be resolved through the following channels:

1, negotiated with the operator;

2. Request consumers' associations or other mediation organizations established according to law to mediate;

3. Complain to the relevant administrative department;

4. 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.