China Library Classification, referred to as Chinese Library Classification, has five categories and 22 basic categories. These five categories are Marxism-Leninism, Mao Zedong Thought, philosophy, sociology, natural science and comprehensive books. 22 basic categories

I Marxism-Leninism, Mao Zedong Thought and Deng Xiaoping Theory

Philosophy, religion

Introduction to social science

Politics, law

E military

F economy

G. Culture, science, education and sports

H language, writing

I. Literature

J art

History, geography

Natural science theory

Mathematical science and chemistry

P astronomy, earth science

Q bioscience

R medicine and health

American agricultural science

technology

U transportation

V. Aviation and aerospace

X environmental science, labor protection science (safety science)

Z comprehensive books

T