Is keeping healthy a verb or a noun? It originally refers to a medical activity of Taoism to maintain life, strengthen physique and prevent diseases through various methods, so as to achieve longevity. Raise, that is, the meaning of nursed back to health, maintenance and tonic; Life means living, surviving and growing. In the modern sense, "health preservation" refers to the active physical and mental maintenance activities for material and spirit according to the laws of human life process.

Maintenance refers to following the law of life, through moderate exercise, plus external care and other means, so that the body function and external skin can be conditioned, restore its due function, which is the first level of health care;

Self-cultivation refers to broadening one's horizons, understanding one's mind and broadening one's knowledge. Through the cultivation and promotion of one's own moral quality, one can get a kind of physical and mental rest and accomplishment, so as to achieve the purpose of self-cultivation.

Nourishing refers to nourishing and conditioning the whole body according to the laws of the four seasons of heaven and earth, so as to achieve the purpose of preventing diseases and prolonging life.

The essence of health preservation is to maintain the five internal organs and prolong life. Health preservation is a comprehensive science, involving many disciplines, including Chinese medicine, rehabilitation, nutrition, aesthetics, psychology, Chinese studies, physics, chemistry, art, cooking, kinematics, Buddhism, Taoism, Confucianism and so on.