1, according to the management system (subordinate relationship) of the library: cultural system library, educational system library, scientific research system library, trade union system library, Communist Youth League system library, military system library, etc.

2. According to the scope of literature collection: comprehensive library, professional library, etc.

3. According to user groups: children's libraries, blind libraries, minority libraries, etc.

4. According to the book carrier: traditional library, digital library, mobile library, real library, etc.

5. The main types of libraries in China are: national library, public library, school library, science library, professional library, technical library, trade union library, military library, children's library, blind library and minority library.