2. Health preservation refers to taking measures to maintain the body, reduce diseases, improve health and prolong life, as well as health care activities according to the law of life development.
3. Edible medicine is homologous, and medicated diet plays an important role in preventing and treating diseases. Chinese dietotherapy can achieve the purpose of conditioning the body with food and eliminating diseases with drugs.
4. "Treating diseases and strengthening the body without diseases", Chinese dietotherapy has basically no toxic and side effects on the human body, and has the effects of preventing and treating diseases, prolonging life and preserving health and nourishing.