Micro-Blog Communication In Public Events:Change Of Discourse And Agenda Building

In the process of change that the Internet developed by Web1.0to Web2.0to Web3.0transition, our times by the forum, blog era era of upgrading to the micro-blog era. As a new media, micro-blog once produced, with its powerful function of information spreading and public opinion guidance functions involved in public affairs, shows public powerful vitality and wide influence in the expression of public opinion, loving interaction, organizational coordination and supervision. international trend background of the contemporary economic globalization, information network and political democratization, the correct understanding and reasonable use to micro-blog spread has become an important topic in academia widespread concern but not yet in-depth. This article tries to take the reports of Sina micro-blog on7·23Yong Wen line bullet trains rear-end accident as the example, and take the new characteristic of public opinion expression in the spread of micro-blog as a starting point, Discusses the discourse structure changes in the micro-blog times such as discourse subject, content of discourse, mode of discourse, discourse function and so on, and on this basis to realize the function of micro-blog agenda building, Through content analysis and case analysis method combined with the study of route, In-depth analysis of the micro-blog dissemination of information dissemination mechanism, public opinion guiding mechanism and the interaction between the two, Reveals the performance of micro-blog communication in public events and its effect to public events trend, At the same time, discussion the impact and challenges of micro-blog spread to the traditional media and official institutions, And offer valuable suggestions to avoid the negative effects of micro-blog spread.