Because many students like to borrow books when they see their favorite books, they put them on the shelves nearby for their own convenience after reading them, and because of their own selfishness, but limited by the number of books borrowed, they can't borrow all the books they need at once, and they are afraid that other students will borrow them and hide them in other places secretly. Although it did not directly lead to the loss of books, it brought many difficulties to other students who borrowed books. After reading it, they put the books and periodicals on the shelves close to them for their own convenience, and because of their own selfishness, but limited by the number of books borrowed, they could not borrow all the books they needed at one time, so they secretly hid them in other places for fear that other students would borrow them. Although it did not directly lead to the loss of books, it brought many difficulties to other students who borrowed books, affected the normal use of others, and also brought a lot of inconvenience to librarians. The damage to library books is mainly manifested in scribbling, marking and even hollowing out pages on borrowed books at will, which destroys the integrity and aesthetics of books and periodicals and affects the fluency and integrity of students who borrow them in the future. Some people take books out of the library without authorization, and the books expire, which affects the utilization of library resources and violates the management rules and regulations of the library.