The full name of China Library Classification is China Library Classification. The symbol of China Library Classification adopts a mixed number of Chinese phonetic alphabet and Arabic numerals. Mark a big category with a letter and reflect the order of big categories in alphabetical order. Numbers are used after letters to indicate the division of the following categories.

The numbering system of numbers uses decimal system, that is, the first number after the letter is sorted first, then the second number, and so on. The arrangement of classification numbers should strictly follow the decimal system.

The number setting, as far as possible, makes the numbered series represent the class series, which basically follows the principle of hierarchical compilation, but in order to adapt the number to the needs of class setting, there is also some flexibility in the number allocation.

Extended data:

On the basis of scientific classification and knowledge classification, Chinese Library Classification is a category list that is logically divided and systematically arranged by combining the characteristics of literature content and some characteristics.

It is a tool for classifying documents, organizing document classification and shelving, and compiling classified retrieval system. It is the most widely used classification system in domestic libraries and a common tool for book classification in China. When readers master the relevant knowledge of this classification, they can quickly and effectively query the collections of libraries all over the country.

Baidu Encyclopedia-China Library Classification