1. The mission of the library is to provide knowledge and learning resources and promote the dissemination of knowledge and the development of learning. By allowing users to borrow books on the shelves, the library has expanded users' access to knowledge and learning resources.

2. To meet the needs of readers, readers need to study and study for a long time, or continue reading after leaving the library. Borrowing books in the bookshelf library can meet the demand, allowing users to read and use books at the place and time of their choice.

3. Promote the flow of information. The goal of the library is to promote the free flow and enjoyment of information. By borrowing in the shelf library, readers have the opportunity to obtain and share information resources, thus promoting the spread of knowledge and the progress of research, so they can borrow in the shelf library.