Management information system, also known as MIS (Management Information System), is a system composed of people and computers, which can collect, transmit, store, process, maintain and use information. Management information system is widely used in all walks of life. After decades of research and development, it has gradually developed into a mature theoretical system. Through the statistics of high-frequency keywords in search engines such as Baidu and Bing, we can know that enterprise management information system, education management information system and book management information system are the three hot spots in MIS at present.

1) enterprise management information system. China's MIS was applied to enterprise financial accounting in the early stage. With the development of times and technology, management information system has been applied to different management fields, such as material demand planning, manufacturing resource planning, enterprise resource planning, customer relationship management, supply chain management and so on. , and the corresponding management information subsystems, namely MRP, MRP II, ERP, CRM and SCM, have been derived.

2) Educational information system. With the continuous development of management information system, it has been widely used in schools, especially colleges and universities. At present, MIS is widely used in teaching management, school affairs management, student status management and student dormitory management.

3) Book management information system. With the increasing number of library collections and the emergence of digital libraries, the traditional manual management of libraries has greatly affected the efficiency of library management. Therefore, the library management system came into being. Nowadays, the library management system integrates new technologies such as data mining and artificial intelligence, and is developing in the direction of intelligence, grid and specialization.