Abstract Background Academic medical libraries, with their dual university/medical roles, face significant challenges in pandemics to provide health information services effectively. Objectives To discover the types, characteristics, and weaknesses of health information services of academic medical libraries in China during the COVID‐19 pandemic; consider the provision of health information services effectively; and promote this understanding. Methods Literature review plus a survey of websites and WeChat public platforms of academic medical libraries from 15 of the top medical universities in China, in respect of the four aspects of health information resources, access, service, and management during the COVID‐19 pandemic. Results Academic medical libraries provided health information services for these four aspects. However, problems such as insufficient integration of health information, insufficient customised and featured health information resources, insufficient cooperation, lack of systematic information literacy education, and lack of professional departments with health librarians are also revealed. Discussion Health information services should be improved by strengthening the integration and optimisation of health information resources, enhancing cooperation, strengthening systematic health information literacy education, and building health information departments with professional health librarians. Conclusion This study provides a practical reference and rationale for academic medical libraries and health institutions regarding health information services.