1, that is, actively communicate with educational institutions about the refund. Generally speaking, it is difficult to start and the effect is poor, and educational institutions often refuse or delay for various reasons. Complaints are mainly aimed at specific illegal acts of training institutions and reported to relevant administrative organs for handling.

2. complaints. The effect of complaints varies from place to place and from person to person. Many departments and institutions will advise you to go to court to file a civil lawsuit.