Legal analysis: If the gym doesn't refund the money, you can look at the contract first. If it is the fault of the other party, you can go to the consumer service hotline or the industrial and commercial department. If your amount is relatively large, you can also sue the other party to the court. The Administration for Industry and Commerce is the government department in charge of market supervision and administrative law enforcement. Internal organs: General Office, Regulation Department, Anti-monopoly and Anti-unfair Competition Enforcement Bureau, Direct Selling Supervision Bureau, Consumer Protection Bureau, Market Regulation Management Department, Enterprise Registration Bureau, Foreign-invested Enterprise Registration Bureau, Advertising Supervision and Management Department, Individual and Private Economic Supervision and Management Department, Ministry of Personnel, International Cooperation Department, Party Committee, Office of Retired Cadres, Trademark Office, Trademark Review and Adjudication Board, Discipline Inspection Team, Supervision Bureau, etc.

Legal basis: Measures for Punishment of Infringement on Consumers' Rights and Interests

Article 3 The market supervision and management department shall, when imposing administrative punishment on acts infringing on consumers' rights and interests according to law, adhere to the principles of fairness, openness and timeliness, combine punishment with education, and comprehensively implement administrative guidance by means of suggestions, interviews and demonstrations, so as to urge and guide operators to fulfill their legal obligations.

Article 4 When providing commodities or services to consumers, business operators shall follow the principles of voluntariness, equality, fairness, honesty and credibility, perform their obligations in accordance with the provisions of laws and regulations such as the Law on the Protection of Consumers' Rights and Interests, and shall not infringe upon the legitimate rights and interests of consumers.