Which law did the tutor violate by collecting information fees?

Not illegal. According to the Measures for the Administration of Private Tutoring Institutions, tutoring institutions should operate according to law, and should not charge fees in an unreasonable way, and should not force students and parents to buy relevant teaching materials and counseling materials. It is illegal for a tutor to collect information fees, not illegal. Tutoring means that individuals or institutions provide personalized tutoring and teaching services to students through one-on-one or small groups for the purpose of education. Counseling is usually carried out in students' homes or agreed places, which is different from the traditional form of collective education.