According to the Law on the Protection of Consumers' Rights and Interests, operators are not allowed to exclude or restrict consumers' rights, reduce or exempt operators' responsibilities, aggravate consumers' responsibilities and other restrictions on consumers' inequality and separation by means of format clauses, notices, instructions and shop notices, and are not allowed to use format clauses or technical means to force transactions. Format terms, notices, explanations, shop notices, etc. If it contains the contents listed in the preceding paragraph, its contents are invalid. Fitness service providers say that they can't return their cards, which means restricting consumers' rights, reducing or exempting operators' responsibilities and aggravating consumers' responsibilities. Even if it is notified in advance, it is illegal and invalid. In this regard, the parties can apply for direct card withdrawal.

Legal basis:

Law of the People's Republic of China on Protection of Consumer Rights and Interests

Article 7 Consumers have the right to protect personal and property safety when purchasing and using commodities and receiving services.

Consumers have the right to demand that the goods and services provided by business operators meet the requirements of protecting personal and property safety.

Article 8 Consumers have the right to know the real situation of the commodities they buy or use or the services they receive.

Consumers have the right to require business operators to provide prices, places of origin, producers, uses, performance, specifications, grades, main ingredients, production dates, expiration dates, inspection certificates, instructions for use, after-sales services or the contents, specifications and expenses of services, etc. according to different conditions of goods or services.

Article 9 Consumers have the right to choose their own commodities or services.

Consumers have the right to choose their own operators to provide goods or services, choose their own varieties of goods or services, and decide whether to buy or not to buy any kind of goods or accept or not to accept any kind of services.

Consumers have the right to compare, identify and choose their own goods or services.

Article 10 Consumers have the right to fair trade.

When purchasing goods or receiving services, consumers have the right to obtain fair trading conditions such as quality assurance, reasonable price and correct measurement, and have the right to refuse the compulsory trading behavior of operators.

Article 11 Consumers who suffer personal or property damage due to purchasing or using commodities or receiving services have the right to compensation according to law.