Health preservation refers to a medical activity to prolong life through various methods to support life, enhance physical fitness and prevent diseases.

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.