1, the whole, people themselves are a whole, and all parts are interrelated. For example, if your stomach is upset, or you often press Zusanli on your leg, it will improve. For example, if you burp all the time sometimes, pressing Neiguan will stop immediately, and a person is also a part of nature. Therefore, people should follow the laws of nature, learn from Yin and Yang, and keep in good health in a natural way, such as sleeping at night and working during the day. 2. Obey nature. Eat different foods in different seasons all year round, sleep differently, preserve health in spring, store in winter, don't stay up late every night, don't sleep late in the morning, and don't indulge yourself; Feel comfortable, do things calmly, and always have a normal heart. 3. (Limited level, to be continued)