Health preservation is a medical activity to maintain life, enhance physical fitness and prevent diseases through various methods, so as to achieve longevity. The so-called life is life, survival and growth; The so-called maintenance means maintenance, recuperation and nourishing. In a word, keeping in good health is to maintain life. Guided by the theory of traditional Chinese medicine, we should follow the changing law of the biochemical set of Yin-Yang and Five Elements to scientifically recuperate human health and vitality. Psychological health preservation refers to the method of nourishing the heart, regulating the mood and life, so as to achieve the purpose of maintaining the body, reducing diseases, improving health and prolonging life. Daily life: 1, pay attention to cold and warmth 2, the environment is comfortable 3, get enough sleep 4, skin care 5, nourish the lungs in autumn: (drink a cup of honey in the morning and evening, which can moisten the lungs, nourish the face and enrich the blood) Exercise: cold water bath, cold water hand washing and friction massage. Mental conditioning: to achieve peace and tranquility, emotional stability, cheerful mind, comfortable mood, save your strength. Pay attention to psychological adjustment, grasp yourself correctly and learn to extricate yourself.