1. Various modes of communication and information aggregation: the popularity of social media makes the audience change from passive information acquisition to active information acquisition, making the dissemination of health information more interactive and proactive.
2. Diversification of health communication subjects: Under the new media environment, the dual identities of audience and creator make the subject of health communication no longer limited to a few doctors or experts with professional ability. Weibo, WeChat and major social platforms or forums have become the main sources of receiving health information, and become more influential health communication websites through interpersonal communication.