Purpose/Significance To prioritize the research support service items of hospital library based on user satisfaction, and to put forward the optimization strategies of research support services.Method/Process Using the Kano model, the Kano questionnaire is designed to investigate the employees of Foshan Women and Children Hospital. The paper analyzes the Kano attribute classification of each research support service item, analyzes the influence degree of user satisfaction with Better-Worse coefficient, and prioritizes the research support service items.Result/Conclusion Hospital libraries should pay attention to the training of librarians, strengthen the cooperation of departments, carry out research support service items at all levels in a progressive manner, establish a dynamic adjustment mechanism, and continuously optimize the construction of research support services.