How many kinds of medicinal materials are recorded in Compendium of Materia Medica?
Compendium of Materia Medica is a monograph of traditional Chinese medicine, which has high natural history value. Li Shizhen (1518-1593), a famous physician in Ming dynasty, was compiled in 1578. After many twists and turns, it was first published in the 21st year of Wanli (1593). The book contains 52 volumes of drugs 1892, including plant drugs 1094, animal drugs/443, mineral drugs 16 1 94 and other drugs 194. Li Shizhen has added 374 new drugs. The book is illustrated with pictures and texts, including 1 109 drug pictures. In order to increase the clinical reference value of the book, the author added 1 1096 clinical prescriptions to the discussion of several drugs, of which more than 8,000 were from the author's clinical experience summary or years of collection, which has good reference value. Compendium of Materia Medica * * * Divide water, fire, earth, stone, grass, grain, vegetables, fruits, wood, utensils, insects, scales, media, birds, animals and people. 16 is the key link, and class 62 is the purpose. Its division principle is "from small to large, from humble to expensive". It is said that it refers to more than 800 kinds of books, which can be described as a masterpiece that runs through the ages. Under each drug, the book was named Compendium of Materia Medica with the aim of correcting the name and explaining the name. The contents of each medicine are recorded in detail in the collection, identification, right and wrong, treatment (processing), odor (medicinal pharmacology), indication (efficacy) and invention (Li Shizhen's experience and research conclusion), and a prescription is attached. The classification narrative method of Compendium of Materia Medica is a creative development on the basis of predecessors, which makes it clear to readers that its classification method has actually possessed the scientific nature of modern biological evolution thought.