The Propagation Characteristics And Role Of Social Media During Emergencies

At present, China is undergoing a huge social change, has entered the era of the so-called "risk society", the traditional events, such as earthquake, flood, fire, such as mass incidents happened frequency is more and more frequent, and terrorist attacks,the spread of disease, such as ecological crisis emerging incidents occur continuously.If mishandled, it could turn into public crisis events, the people's production life and serious negative impact caused by social and economic development.In today's Internet technology high speed development, social media as an information exchange platform to be connected between the government, the organization and the public relations of new Bridges, as well as the folk "oral public opinion field" and "official public opinion field" of the traditional media communication provides a new public space, become an important medium in emergency. Especially in emergencies and crisis event occurs, social media has become the main field of public opinion, has played a more and more important role.Taking tianjin 8·12 extra-large fire explosion accident as a case, the study of social media, in Steven fink, under the guidance of "four stage life cycle theory", to social media in emergencies through analyzing the characteristics and function. The study found that social media is a double-edged sword, in emergencies, it may produce positive effect, also may produce negative problems. Social media in emergencies, is the gatekeeper of information, the guidance of public opinion,government regulators and educators of events, but it can also cause the information explosion of rumors, group polarization phenomenon under the irrational emotions and participatory communication problems such as incomplete type. And aiming at these problems, some Suggestions are put forward: to strengthen the supervision of public opinion guidance, improve the emergency management mechanism; Give play to the role of opinion leaders, deepen the technology control mechanism;Promote the news media, strengthening the content control mechanism; Public opinion sound detection system, establish and improve the rumours mechanism;Improve the network media literacy and improve the relevant laws and regulations.