Purpose/Significance To explore the various bias effects of health misinformation via the source, media and destination, which is helpful to deal with the current hot issues of health information communication and governance. Method/Process Through literature collection, statistical induction and visualization analysis, the existing studies are elaborated and analyzed from the bias formation at the source to the bias effect at the destination respectively.Result/Conclusion The deviation of health misinformation comes from 3 parts:content bias from the source, dissemination bias from the media, and cognitive bias from the users. The effects of health misinformation bias on users are manifested at 3 levels:cognition, decision-making, and behavior.