1, cultural books: including literature, history, philosophy, art and other books.

2. Life books: including life guides, health care, mental health, family education and other books.

3. Science and technology books: including books on computers, scientific experiments, architecture and machinery.

4. Educational books: including educational books at different stages such as primary school, junior high school, senior high school and university.

5. Leisure books: including novels, essays, poems and other books.

6, children's books: including children's literature, popular science knowledge, picture books and other categories of books.

7. Other books: including reference books, teaching materials, exam counseling and other books.