The basic disciplines of books are divided into four types: basic disciplines, applied disciplines (engineering disciplines in various industries, business studies, engineering, agriculture, forestry, etc.), emerging disciplines (computer, Marxism-Leninism, environmental protection, etc.), and general disciplines (society, information).

Logic, ethics, aesthetics, psychology, business studies, life, finance, engineering, agriculture, society and information are defined by the basic disciplines of books. Characters belong to language, demography to society, cybernetics and system theory to information. Materials belong to engineering, animal husbandry and aquatic products to breeding, aviation to aerospace, health care to medicine, books, intelligence, archives, natural history to information, safety to environmental protection and so on.

extended materials

definition of book discipline.

1. Humanities-the knowledge about human beliefs, sentiments, thinking, behaviors, lifestyles and their social relations.

2. Natural science-it is the knowledge about the form, structure, nature and movement law of natural materials.

3. Basic discipline-it is the discipline of theoretical or technical research of humanities and natural disciplines in specific disciplines. There are theoretical basic disciplines and technical basic disciplines.

4. applied discipline-refers to the discipline in which basic disciplines are applied in a certain industry or field.

5. A general discussion discipline refers to a theoretical discipline with broad significance in the fields of humanities or nature.

Reference: Baidu Encyclopedia-Book Classification