What should I do if I am cheated in finding a job in Xi 'an?

There are many recruitment companies in Xi 'an, which are actually intermediaries, cheating you out of money. When I was at school, I also met people who collected work clothes besides catering and entertainment. There is no charge for serious companies. There is a fraud company in our building, and the police have been here several times. People have changed places and started hiring again. 98% of the applicants are in school, so we must be more careful in the future.