1. Provide a wide range of knowledge resources: the library has a large number of books, periodicals, newspapers, databases, etc. , so that readers can obtain various types and fields of knowledge resources.

2. Increase knowledge and skills: By borrowing books from the library, readers can quickly increase their knowledge and skills and improve their cultural literacy.

3. Help readers do their homework: Students can borrow books from the library, inquire about relevant information and help them finish their homework.

4. Providing a learning and research environment: The library has a special learning and research environment, providing a quiet and comfortable environment and an excellent place for learning and research.

5. Promote social communication: The library not only provides book resources, but also provides readers with activities such as book exhibitions, lectures, film and television screenings, providing readers with colorful opportunities for social and cultural exchanges.

Disadvantages of the library:

1. Huge initial investment: the construction of the library needs a lot of capital investment, and the cost of operation and maintenance is also very expensive.

2. Cost of book maintenance and updating: Libraries need to constantly update new books and maintain the status quo of old books, which takes up a lot of money and human resources.

3. The situation of snapping up books: Once some popular books are put on the shelves, they will soon be borrowed by users, which often leads to other readers being unable to borrow them.

4. Inconvenient access conditions: some libraries are located in remote places or only open at specific time, which brings inconvenience to readers.

5. The existence of fake and shoddy documents: Some lawless elements will make fake and shoddy documents and sell them to libraries through the black market, which will not only mislead readers, but also reduce the reputation of libraries.