According to the information of China Travel Service. Consumers can bring relevant evidence, contracts, etc. Complain to the local education bureau, or complain to the industry authorities and examination and approval departments of education and training institutions, or report to the consumer association, and report to the public security organs at the same time to safeguard their legitimate rights and interests. Legal basis: Article 39 of the Law of People's Republic of China (PRC) 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. negotiate with the operator.

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

3. Complain to the relevant administrative department.