Complaints against the Education Market Supervision Bureau of Juexiao, the 3 15 hotline is useful. If you want to complain about the violation of the online education platform, you can report it through the public security organs, industrial and commercial departments, education departments and online platform 3 15 where the platform is registered. You can report it through the caller, and the relevant departments will investigate after receiving the report. Hotline 3 15: When consumers find that educational institutions violate the rules, private education and training institutions can complain to local civil affairs bureau and education bureau, and official education and training institutions can complain to local human resources and social security bureau or relevant departments of education bureau. At the same time, no matter what kind of educational institutions violate the law, they can report it through the 3 15 consumer voice platform.