Water will refer to hot springs, clubs and other leisure and entertainment consumption places. There are gyms, tennis courts, swimming pools, buffets, spas, beauty spas and bathing facilities. Spa belongs to the place of physical spa. Hydrotherapy is a kind of physical therapy, which uses water with different temperature, pressure and composition to soak, rinse, rub and wash the whole body or part of the human body, so as to prevent and treat diseases.