Purpose/Significance To explore a new mode of hospital library services based on think tank services. Method/Process The digital library platform is constructed to provide rich medical information resources. The study on clinical physician user portrait is carried out to provide personalized and accurate information services. Information analysis and research are focused to provide decision-making basis for scientific research and management. The think tank services are applied to the practice of hospital library, and the implementation effect is collected and analyzed. Result/Conclusion After the implementation of the hospital library think tank service mode, the research and analysis skills and comprehensive quality of the librarians have been significantly improved, and the recognition degree of the library think tank services has been continuously improved by the readers, which provides strong support for the improvement of the core competitiveness of the hospital and promotes the sound development of the hospital library.