Health care is a part of Chinese medicine, which emphasizes prevention of diseases before they occur. The principle of health care is to support the righteous and drive away the evil. First of all, mental activities are the external manifestation of the five internal organs, and the liver is the master of emotions, so regulating the mood has a protective effect on the liver. Life lies in exercise, regular exercise can maintain the flow of qi and blood, qi regulation, can prevent blood stasis, remove evil is to support the righteous. Irregular diet can damage the spleen and stomach, the spleen and stomach is the foundation of the day, so nourishing the spleen and stomach is nourishing health, a light diet is good for the spleen and stomach. Chinese medicine believes that there is a point of yang, there is a vitality, winter attention to warmth, usually do not eat cold drinks, are very good practice to protect the yang.