The article deals with the methodological understanding of management information systems and their use for modern business. The article considers information flows moving through various structural levels of decision-making in the organization, as well as high-quality software for complex systems. We have studied the information management system (MIS), which includes the process of collecting, processing, storing, retrieving and transmitting relevant data for effective operation management. It is determined that the meaning of information management in organizations is to help solve the problems of institutional growth, development and productivity through the described methods of making better decisions related to the use of resources in a dynamic and changing environment.