The word "keeping fit" originated from "Do you have to keep fit?" "Life, verbs are nouns. It originally refers to medical activities that support life and enhance physical fitness in various ways. Raising means keeping in good health, maintaining and nourishing. Life means living, surviving and growing. In the modern sense, "health preservation" refers to actively carrying out physical and mental maintenance activities according to the laws of human life process. Maintenance is to follow the law of life, and regulate the body function and external skin through moderate exercise and external means, which is the first aspect of health preservation.

Nourishing refers to following the laws of the four seasons of heaven and earth, blending appropriate diet and achieving the purpose of nourishing and conditioning the whole body. In fact, health preservation is to regulate the five internal organs and prolong life. China's traditional concept of keeping in good health since ancient times is consistent with the treatment idea of "preventing diseases before they occur" and the method of keeping in good health of "Taoism is natural and man and nature are integrated". The word "keeping in good health" first appeared in Zhuangzi, a master of keeping in good health, meaning to protect life. The "Five Birds Play" founded by Hua Tuo, a famous doctor in Han Dynasty, imitates the movements of birds and animals to stretch bones and muscles, promote blood circulation, keep fit and treat diseases.

In the Song Dynasty, the concept of health care was more respected, and light diet and qigong practice became popular as health care methods. The most remarkable feature of the traditional concept of health preservation is to establish preventive health care to prevent problems before they happen. At the same time, only by maintaining the harmony between man and nature and following the laws of heaven and earth can we achieve better health care effects.

Many people in ancient society were backward and conservative, but there were many advanced systems and ideas in ancient society, so today we finally inherited the essence of ancient cultural criticism and emphasized the reform to get rid of it. In Song society, his understanding of the existence of personal life value and health care is worth learning and thinking about in many aspects. As we all know, the civil service politics in the Song Dynasty was ruled by literati, so the literati in the Song Dynasty had a high social status, not only food and clothing, but also high wages. Under the stable rule of Song Dynasty, the literati doctors in Song Dynasty also attached great importance to their own maintenance and began to pay attention to health preservation and health and longevity.