Sports service category. Because working in the gym is a sports type job, and because it is a front desk service guest, it also belongs to the service industry, similar to the front desk conductor of Chinese sports lottery, so collecting money and issuing invoices in the gym belongs to sports service work. Fitness is a kind of exercise, such as all kinds of unarmed aerobics, rhythmic gymnastics, rhythmic gymnastics, and all kinds of self-resistance movements. Gymnastics and yoga can enhance strength and flexibility, increase endurance, and improve the ability to coordinate and control all parts of the body, thus making the body strong.