Legal analysis: According to the relevant laws and regulations of our country, it is generally a civil dispute that the training institution does not refund the relevant fees. It's no use calling the police. It should be solved by filing a civil lawsuit. If fraud is involved, you can call the police.

Legal basis: Article 3 of the Civil Procedure Law of People's Republic of China (PRC). The provisions of this Law shall apply to the people's courts in accepting civil lawsuits brought by citizens, legal persons, other organizations and their property relations and personal relations.