with the continuous development of science and technology and the arrival of the information age, modern information technology is more and more widely used in the fine management of hospital medical insurance. The importance of hospital medical insurance fine management can solve the problems and shortcomings of traditional human management hospital medical insurance and realize the fine management of medical insurance control fee. Therefore, it is necessary to pay more attention to the application of modern information technology in the fine management of hospital medical insurance, clarify the problems and shortcomings in the current application of information technology, and take targeted measures to solve them. Give full play to the role and value of modern information technology carrier, promote the sustainable and stable development of hospitals. Modern information technology has been continuously applied, which plays a key role that can not be ignored and greatly improves the overall quality of hospital medical insurance. This paper objectively analyzes the importance and effective way of applying modern information technology in the fine management of hospital medical insurance from different angles.