* * Yes * *, you need to provide an ID card to apply for a fitness card. This is to ensure that the fitness card and the cardholder's identity information are bound to ensure health and life safety. The ID card can fully prove the identity and personal information of the cardholder and avoid incomplete security management. In addition, in order to manage the interests and safety of the gym and its customers, it is forbidden to enter the gym with a false identity. In order to improve the management efficiency and the service quality of users, the fitness card needs to be consistent with the ID card number, which is convenient for identity verification and management, thus ensuring the safety and order of the gym.