| With the accelerated development and iteration of information technology,the Internet has become a part of people’s life and production,and a new and main position for the generation and dissemination of information in the new era.At the same time,in recent years,the economic and social development is in the rapid process,and the number of accidents and disasters in China shows a rapid growth trend,which has also become one of the factors interfering with social stability.Accident disaster emergencies happened around the people,once happened,the public as the first witness,compared to the professional media and the government faster to understand the scene of the accident,comprehensive information unequal,curious psychological personal factors,witnesses on social media information release and opinion expression will soon form the public opinion field,for the government’s subsequent crisis management is a huge test.Therefore,correctly facing and timely guiding the network public opinion,understanding the social situation and public opinion from the public opinion field,and improving the government governance capacity by effectively responding to the public opinion have become an indispensable factor for the government to promote the high-quality development of the work in the new era.After the new round of COVID-19 this year,the role of online public opinion guidance has been further demonstrated,attracting the attention of more experts,scholars and government departments.This paper selects the sudden explosion incident in District A of S City in 2022 and the subsequent public opinion field as individual cases,Search the whole network post data through keywords as a research sample,Using comprehensive case analysis,text emotion analysis,in-depth interview and other research methods,Based on the theory of agenda-setting,Combined with the life cycle,emotional infection theory,The analysis framework of the network public opinion guidance mechanism for accident and disaster emergencies is proposed,Putting the agenda setting at different stages of the dynamic public opinion life cycle,Analyzing the specific performance of the four subjects of government departments,media,opinion leaders and ordinary Internet users in different life cycle stages of online public opinion,And the different characteristics of their respective agendas,At the same time,combined with the role of emotions in public opinion events on each subject,Study the mutual transformation and role of different agendas.Through the above analysis,the problems and causes of guiding the network public opinion after the accident and disaster events are excavated.Based on the case analysis,this paper found that after the outbreak of accident and disaster emergencies,the government has problems such as "government response is not timely","information,supply and demand dislocation","policy agenda,forced to open","excessive symbolic response" and "neglect of public sentiment" in the face of network public opinion.Mainly reflected in the government lack of public opinion consciousness and public opinion accomplishment,the agenda conversion ignore the emotional gathering "amplification" effect,despise the power of social circle,lack of issues setting consciousness,etc.,on the basis of the empirical research analysis,this paper puts forward to strengthen building public opinion guide "network",strengthen topic setting,multiple subject coordination as a whole,attaches great importance to social sentiment,positive response to countermeasures and suggestions. |