Significance The paper reviews the status quo of health information behavior research based on WeChat platform, grasps the research trends, and broadens the media perspective. Method/Process It systematically collects domestic and foreign literature, uses content analysis method to analyze the article publishing trend, research methods and research objects, summarizes and analyzes the subject category, and prospects the future development direction. Result/Conclusion Questionnaire survey and interview methods are widely used in the study of health information behavior on WeChat platform. The elderly users and the public account functions of WeChat platform become hot research objects. The subjects can be summarized into four categories:information using behavior, information adoption behavior, information dissemination behavior and continuous usage behavior. In the future, it is necessary to enrich research methods, subdivide research objects and clarify subject connotation and extension.