To understand the fragmented reading behavior of the core user group of hospital libraries, and to propose countermeasures to improve the reading service. Method/Process The fragmented reading behavior data of 3 user groups(doctors, nurses, and medical technicians)in Children’s Hospital of Soochow University are collected through the questionnaire method, and the characteristics of fragmented reading behavior of each group of users are analyzed. Result/Conclusion Fragmented reading has become an important informal learning approach for core users of hospital libraries. Users with different positions, titles and educational backgrounds have different fragmented reading behaviors. Hospital libraries can improve the level of fragmented reading service by providing diversified reading services, promoting the learning type fragmented reading platforms, integrating collection resources and optimizing the overall spatial layout.