It adopts the five-point classification method, and divides the knowledge content contained in books and materials into five basic categories: Marxism-Leninism Mao Zedong Thought, Philosophy, Social Science, Natural Science and Comprehensive Books.

China Library Classification is the abbreviation of China Library Classification, and it is a common tool for book classification in China at present. If readers master the relevant knowledge of this classification, they can quickly and effectively search the collections of libraries all over the country.