【Purpose/significance】Online health community is one of the most important ways of Internet medical services. Through

studying the micro-knowledge sharing mode of the integration of online health community and short video, it is helpful to the sustain⁃able development of online health community and provide more users with health knowledge.【Method/process】Based on the review of the existing researches on knowledge sharing behavior, short health video, this study analyzes the meeting point of online health com⁃munity and short video, and constructs the micro-knowledge sharing model of online health community and short video.【Result/con⁃clusion】The micro-knowledge sharing mode of the integration of online health community and short video includes knowledge realiza⁃tion mode, micro-knowledge management mode, immersive experience mode and community communication mode. 【Innovation/limi⁃tation】This paper explores a new mode of knowledge sharing in online health community from the perspective of short video.