Communication Mechanism and User Sentiment Analysis of Public Emergencies on Social Media: A Case Study of the Wenzhou Doctor-Patient Dispute on July 19

This study aims to explore the communication mechanism and user sentiment analysis of public emergencies in social media. Taking the doctor-patient dispute in Wenzhou, China on 7.19 as an example, the study systematically analyses the dissemination path, speed, influence and user sentiment changes of the incident in social media, and through data collection and analysis, the study reveals that the incident Through data collection and analysis, the study reveals the evolution of the incident on social media platforms from the initial release of information, to the buzz of discussion, to the decline of public opinion. The study also adopts a comparative analysis method, comparing the doctor-patient dispute in Wenzhou with the Tangshan man-beating incident, to analyse the differences between the two incidents in terms of speed of dissemination, duration, and users' emotions, and to further explore the characteristics of the dissemination of social emergencies and the influencing factors in the social media. This study provides theoretical support for monitoring and guiding public opinion in social media, and proposes strategies to effectively respond to public opinion crises.