The first "teaching precept": collect the aphorisms of ancient schools and summarize the importance of taking care of life and nourishing nature. Secondly, "dietary precepts": discuss the appropriate taboos of diet. Third, "Miscellaneous Prayer": Discuss the appropriate taboos in daily life. Fourth, "treating diseases with qi": discuss the methods of preventing and treating diseases by breathing and activating qi. V. "Guide * * *": Discuss the health care methods of * * * guide by chewing teeth and swallowing liquid. Sixth, The Gains and Losses of Maids: Discusses the skill of Maids in the room and nourishing the brain. Generally speaking, the first volume of the three articles is about keeping in good health and forbidding abstinence, and the second volume of the three articles is about keeping in good health and treating diseases, which describes the theory and methods of treating diseases with qi, guiding * * *, sexual intercourse and nourishing and prolonging life. This book is rich in content and rigorous in structure. More than 30 kinds of ancient books, such as Dayoujing, Xiaoyoujing, Fuqi Jing, Huangting Jing, Ji Kang's Notes on Lao Zi's Health Care, and Monks' Notes on Tao Te Ching, are quoted, and the theory and method of Taoist health care are systematically discussed, with special emphasis on "My life is in my absence". It is an important work of Taoist health preservation in the Southern and Northern Dynasties.