General books can be divided into philosophy, social science, politics, law, military affairs, economy, culture, education, sports, language, art, history, geography, astronomy, biology, health care, agriculture and so on.

According to different methods, books can be divided into different categories.

1. Books are divided into social science books and natural science books according to disciplines.

2. According to the language, it is divided into Chinese documents and foreign documents.

3. According to the purpose, it is divided into ordinary books and reference books.

4. Divided by content: novels, children's books, non-fiction, professional books, reference books, manuals, bibliographies, scripts, reports, diaries, book collections, photography and painting collections.

5. According to characteristics: thread-bound books, hardcover books, paperback books, bagged books, e-books, audio books, books for the blind, and ethnic books.