What is the arrangement system of the Compendium of Materia Medica

Classification system. Among them, the department is the "outline" and the class is the "order", and it is divided into 16 parts (water, fire, earth, gold and stone, grass, grain, vegetables, fruits, wood, clothing, insects, scales, media, birds, beasts, and people) 60 categories.

After the publication of this book, it promoted the further development of Materia Medica, and Ni Zhumo's "Huiyan of Materia Medica", Zhao Xuemin's "Compendium of Materia Medica", and Huang Gongxiu's "Seeking Truth in Materia Medica" were all classics of Materia Medica, which were written under the inspiration of his doctrine.

In terms of drug classification, the original classification method of upper, middle and lower grades has been changed, and the scientific classification of "analyzing the group and subheading" has been adopted. It divides drugs into mineral drugs, botanical drugs, and animal drugs. Mineral medicine is divided into four parts: gold, jade, stone, and halogen.

According to the performance, morphology, and growth environment of plants, the plant medicine is divided into 5 parts: grass, grain, vegetable, fruit, and wood; The grass is divided into sub-categories such as mountain grass, fragrant grass, awakening grass, poisonous weed, aquatic grass, vine grass, and stone grass. The animal category is arranged into 6 parts in the order of evolution from low to high: insect department, scale department, intermediate department, bird department, animal department, and human department. There is also a server department.

This taxonomy has been transitioned to a system that evolves naturally. From inorganic to organic, from simple to complex, from low to high, this taxonomy was very advanced at the time. In particular, the scientific classification of plants predates the Swedish taxonomist Linnaeus by 200 years.

The units of taxonomy of families and genera are kingdoms, phyla, classes, orders, families, generas, and species from large to small. The boundary is the largest taxonomic unit, and the most basic taxonomic unit is the species. The larger the taxonomic unit, the fewer common features and the more species of organisms are included; The smaller the taxonomic unit, the more common features there are, and the fewer species of organisms are included.

Classification is convenient for scientific research and comparison of the living habits of organisms, because the same species of organisms are similar, which is of great help to the study of paleontological fossils, and the biological characteristics of unknown organisms can also be judged from their living habits.

Classification systems are hierarchical systems that typically include seven main levels: species, genera, family, order, class, phylum, and bounda.

With the progress of research, the taxonomic level continues to increase, and secondary units can be attached to the upper and lower units, such as general order (superclass), subclass, subclass, general order (superorder), suborder, suborder, general family (superfamily), subfamily, etc. In addition, new units can be added, such as stocks, groups, families, groups, etc., the most permanent of which are families, between subfamilies and genera.

Each level of the unit included in the order system has a scientific name. The basic procedure of classification is to classify the research object into a certain system and level, and become a class unit. So classification and naming are inseparable.

The characteristics of the Compendium of Materia Medica are as follows:1. Synthesize a large number of natural science knowledge such as minerals, plants, animals, and chemistry.

2. Comprehensive and detailed, strong systematic.

3. An advanced drug classification method was proposed. then dates.

4. Corrected some errors in the Materia Medica.

5. Supplemented with many effective new drugs.

The Compendium of Materia Medica is known as the great book of oriental medicine, is the treasure house of medicine in our country, and the Compendium of Materia Medica has corrected many mistakes of its predecessors. This book is not only a work of pharmacology, but also a naturalist work of worldwide influence, covering a wide range of topics, including biology, chemistry, astronomy, geography, geology, mining, and even history.