(1) Harmony between man and nature. There is a close relationship between man and nature, and man must conform to nature and live in harmony, which is conducive to health preservation. It is manifested in adapting to the four seasons, adapting to regional characteristics and adapting to social development.

(2) pay attention to the whole, comprehensive aftercare. All techniques and methods of TCM health preservation must proceed from the overall concept, and fully consider the unity and integrity of the human body and its close correlation with the natural and social environment. According to one's age and physique, exercise, daily conditioning, diet, sleep conditioning and other methods are reasonably used for health preservation.

(3) Nursing based on differentiation of symptoms and signs. Everyone's physique, gender, age, social living environment and orientation to health care methods are different. Even the same person, with the growth of age, his life, study and work will change to a certain extent, and his health care cannot remain unchanged.

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(4) Harmony and moderation, positive and negative balance. It is the best state for the human body to maintain the balance of yin and yang, smooth qi and blood, and coordination of viscera. This is the principle that health care should adhere to and the ultimate goal of health care. We should adhere to this principle when using various health preserving methods.