Massage has the functions of relaxing muscles, relieving fatigue, improving body flexibility, and relieving pain. 

1. Relaxing muscles: Massage can reduce muscle tension and stiffness by stimulating the muscles, thereby promoting muscle relaxation and relaxation. 

2. Relieve fatigue: Massage can promote blood and lymphatic circulation, help the body eliminate metabolic waste and toxins, and relieve fatigue and restore energy. 

3. Improve body flexibility: Massage can enhance the flexibility of the body and the flexibility of longitudinal joints, thereby enhancing the body's athletic ability. 

4. Relieve pain: Massage can stimulate nerve endings and release large amounts of endorphins and dopamine in the body, thereby relieving pain and discomfort. 

In addition, massage also has the effects of improving sleep, regulating gastrointestinal peristalsis, enhancing immune function, relieving mental stress, and promoting metabolism. It is recommended that patients receive massage under the guidance of professionals to avoid discomfort caused by improper force.