The advantages are constant temperature cooling, muscle relaxation, brain cell regeneration and resurrection, increasing blood oxygen, promoting heart function, blood circulation, skin bleaching, cleaning pores, removing body odor, removing aged cuticle of skin, etc. Her principle is that through the alternate use of various hydrotherapy equipment, oxygen-rich water is absorbed and acupoints are massaged by hydrotherapy, so as to achieve the functions of treatment and health care and give people vitality and health.