Library management system can be changed into student information system. According to the relevant public information, the library management system can be changed into a student information system, but the system needs to be modified and adjusted accordingly to meet the needs of student information management. The student information system needs to include the functions of students' basic information, student status management, course management, achievement management, attendance management, etc. The book management system needs to include the functions of book information management, borrowing management, collection management, librarian management, etc.