The gym said that you need an ID card to apply for a card, and you don't need to provide an ID card. Usually this is to be negotiated with the merchants. Our country's law does not stipulate that gymnasiums must be registered with ID cards. And the gym doesn't have the right to check ID cards.

According to Article 13 of the Law of the People's Republic of China on Resident Identity Cards, citizens who need to prove their identity in relevant activities have the right to use their resident identity cards to prove their identity, and the relevant units and their staff shall not refuse. The relevant units and their staff members shall keep confidential the personal information of citizens recorded in the resident identity cards obtained in the course of performing their duties or providing services.

Fourteenth in any of the following circumstances, citizens should show their identity cards to prove their identity:

(a) the registered items of permanent residence have changed;

(2) military service registration;

(3) Marriage registration and adoption registration;

(4) Going through exit formalities;

(5) Other circumstances in which it is necessary to prove identity with a resident ID card as stipulated by laws and administrative regulations.

A citizen who has not obtained a resident identity card in accordance with the provisions of this Law may, when engaging in the relevant activities specified in the preceding paragraph, use other means of proof that meet the requirements of the state to prove his identity.

Extended data:

Law of the People's Republic of China on Resident Identity Cards Article 15 When performing their duties according to law, the people's police may examine their resident identity cards under any of the following circumstances:

(1) It is necessary to ascertain the identity of the criminal suspect;

(two) when implementing on-site control according to law, it is necessary to find out the identity of the relevant personnel;

(3) It is necessary to find out the identity of the relevant personnel at the scene in case of an emergency that seriously endangers social order;

(four) during major events in railway stations, long-distance bus stations, ports, docks, airports or places designated by the Municipal People's government, it is necessary to find out the identity of the relevant personnel;

(five) other circumstances required by law.

In any of the circumstances listed in the preceding paragraph, if the people's police refuse to examine the resident identity card, they shall take measures to deal with it in accordance with relevant laws and regulations. No organization or individual may detain a resident identity card. However, unless the public security organ executes the compulsory measures of residential surveillance in accordance with the Criminal Procedure Law of People's Republic of China (PRC).

Baidu Encyclopedia-People's Republic of China (PRC) Identity Card Law