| China today is at a critical period of transition. At this time, the deep contradictions in society gradually exposed, and some difficult problems have outbreak in accelerated trend. Therefore, the unexpected events occur frequently. Public healthy emergencies as one of the main types of unexpected events, affect people's health and safety. It is concerned a lot by the public. At this point, the correct guidance of the media has an important role in appeasing public sentiment and stabilizing social order.In this paper, it take a systematic study of public opinion and media's roles in public healthy emergencies from the study of definitions and characteristics, which is combined with the media's performance in a series of recent public healthy emergencies. On this basis, it makes a strategy to strengthening the effectiveness from the timely and transparent dissemination of information, new media and traditional media interactive and self-regulation. Through the strong guidance of public opinion, it will provide timely information for the public to eliminate their panic, and work together with government to actively deal with the crisis, and to create a good public opinion environment. |