Purpose/Significance To improve the theoretical system of library smart health knowledge services based on the metaverse perspective. Method/Process The paper uses literature review and content analysis to expound the driving factors of smart health knowledge services, and analyzes the inherent logic and application scenarios of metaverse-enabled smart health knowledge services in libraries. Result/Conclusion Metaverse can enable libraries to provide intelligent, personalized, immersive and virtual smart health knowledge services, which can better meet users’ needs and promote the dissemination and application of knowledge.