How long has Compendium of Materia Medica been written?

Compendium of Materia Medica has been written for 27 years.

Compendium of Materia Medica written by Li Shizhen in Ming Dynasty has been used for 27 years. Li Shizhen, whose name is Dongbi, is near the lake. He was born on 15 18 in washaoba (now qi zhou town, Qichun county, Hubei province) outside the east gate of qi zhou, Hubei province. Before the Ming Dynasty, this was the junction of Yuhu Lake and Shilian Lake, and people along the lake often suffered from the disaster of rising water level.

Since the Ming dynasty, in order to prevent the lake from rising, a dam was built here, which was later called the tile nitrate dam. There is a rainy lake with a circumference of twenty or thirty miles near Washaw Dam, which is a scenic spot in qi zhou. To the east of Waxiaoba, there are Daquan Mountain, Longpan Mountain and Pingdingshan. In addition to flowers, trees and bamboo forests, Shan Ye is a good place with abundant natural medicinal materials.

Compendium of Materia Medica, published on 1590. It is 2022, with a history of at least 432 years. Compendium of Materia Medica was compiled by Li Shizhen, a great physician in Ming Dynasty, in order to correct the mistakes in ancient medical books. He used his whole life's energy, personal experience, extensive study and on-the-spot investigation to comprehensively sort out and summarize materia medica. It took 29 years to compile and more than 30 years to painstakingly manage.

Characteristics of Compendium of Materia Medica

1, comprehensiveness: Compendium of Materia Medica contains 1892 drugs known at that time, among which more than 1 100 drugs were added, covering all kinds of drugs known at that time, which can be said to be a comprehensive encyclopedia of pharmacology.

2. Systematic: Compendium of Materia Medica systematically classifies drugs according to their nature, efficacy and application, forming a complete drug classification system.

3. Scientificality: Compendium of Materia Medica is highly scientific in the classification, naming and description of drugs. For example, using modern biological classification methods to scientifically classify drugs; When naming and describing drugs, we also follow scientific principles.

4. Practicality: Compendium of Materia Medica is not only a theoretical work, but also a practical guide to pharmacology. The properties, efficacy, usage and dosage of each drug were introduced in detail, which provided important reference materials for Dr. yohji yamamoto.