MIS (Management Information System) is a system composed of people, computers and other peripheral devices, which can collect, transmit, store, process, maintain and use information. It is a new science, and its main task is to make full use of modern computer and network communication technology to strengthen enterprise information management. Through the investigation and understanding of the human, material, financial, equipment, technology and other resources owned by the enterprise, the correct data are established, processed into various information materials and provided to managers in time, so as to make correct decisions and continuously improve the management level and economic benefits of the enterprise. At present, enterprise computer network has become an important means for enterprises to carry out technological transformation and improve management level. With the integration of China and the world information expressway, the information obtained by enterprises through computer networks will bring huge economic and social benefits to enterprises, and the office and management of enterprises will develop in an efficient, fast and paperless direction. MIS system is usually used for system decision. For example, it can be used to find the problems that need to be solved urgently and feed back the information to the upper management in time, so that they can know the progress or deficiency of the current work. In other words, the ultimate goal of MIS system is to let managers know the current situation of the company in time and grasp the future development path.