In this paper， from the perspective of health communication， combined with the current situation of the development of health communication in the public health system， we discussed the shortcomings of health transmission exposed in the new epidemic， including insufficient public opinion guidance of information disseminators； poor health literacy of the recipients； single health literacy monitoring index and assessment method； the credible health carrier “lost its voice”，and the single mode of transmission； insufficient health communication strategy to public health emergencies， etc. In view of the “short board” in the epidemic period， the corresponding promotion strategies and optimization measures are proposed， including establish an authoritative information release mechanism led by the government and coordinated by multi?party parties； extensively focused dissemination of health knowledge and skills and social support； expand the health literacy monitoring index and optimize the assessment method； cultivate the healthy behavior and life style of self?regulation； formulate the contents and methods of health communication covering the whole population and intervening the key population； create a healthy communication environment supported by the whole society， and provide useful reference for comprehensively improving the health literacy of Chinese residents， especially the emergency literacy and emergency skills， and promoting “the healthy China action plan (2019—2030)”.