The western proverb says: "Prevention is better than cure", and the eastern proverb says: "Disease should be treated early"; The eastern and western views on diseases are the same: it is not easy to treat diseases, so it is necessary to prevent and treat diseases early.

Western preventive medicine emphasizes "health care" and Chinese medicine emphasizes "health preservation". Why is health care so important? Because people will experience aging, and then produce diseases; And once the disease has symptoms, it is difficult to cure.

Health care is a comprehensive science involving many aspects. Health preservation is not only nourishing and conditioning the body, but also a kind of cultivation. Nourish, that is, maintain, recuperate and nourish. Life is life, survival and growth. "Health" in the modern sense refers to actively maintaining the laws of material and spiritual activities according to the laws of human life.

Health preservation refers to following the law of life, through moderate exercise and external nursing measures, so that physical functions and external skin can be conditioned and restored. At the same time, it is necessary to distribute proper diet to nourish and recuperate the body, so as to achieve the purpose of treating diseases without getting sick. In essence, health preservation is the maintenance of the five internal organs and the meaning of longevity.