Compendium of Materia Medica was compiled by Li Shizhen, a great medical scientist in the Ming Dynasty, to correct the errors in ancient medical books. He spent his whole life, personal experience, practice, and extensive collection to comprehensively organize Materia Medica. Summary, it took 29 years to compile. The book has 52 volumes, containing 1,892 kinds of medicines, including 374 new drugs, and 11,096 collected prescriptions. The book also contains 1,160 exquisite illustrations, about 1.9 million words, divided into There are 16 parts and 60 categories. This classification method has transitioned to a system based on natural evolution. The scientific classification of plants was 200 years earlier than the Swedish taxonomist Linnaeus. Each drug is explained separately. Name (determine the name), Jijie (describe the place of origin), correct (correct errors in past documents), repair (preparation method), smell, indications, invention (the first three refer to the analysis of the functions of the medicine), attached prescription (collect folk legends) Prescriptions) and other items. The book contains 881 kinds of botanical medicines, 61 kinds in appendices, and 942 kinds. In addition to 153 kinds of named unused plants, the total number is 1095 kinds, accounting for 58% of the total number of medicines. Li Shizhen listed Plants are divided into five parts: grass part, valley part, vegetable part, fruit part, and main part. The grass part is also divided into nine categories: mountain grass, fragrant grass, wet grass, poisonous grass, creeping grass, aquatic grass, stone grass, carex, and weeds. , is a systematic summary of traditional Chinese medicine before the 16th century. This book was disseminated at the end of the 17th century and has been translated into many languages. It is also a globally recognized outstanding contribution to the world's natural sciences. Its relevant information was cited by Darwin. This pharmacopoeia , no matter from its strict scientific classification, or from the number of medicines it contains and its smooth and vivid writing style, it far exceeds any ancient Materia Medica book. It is known as the "Grand Book of Oriental Medicine" and has great influence on modern mankind. It has the greatest impact on science and medicine. It is a precious heritage in the world’s medical treasure house.