Abstract: ［Purpose/Significance］In the context of major emergencies, timely and effective response to public opinions and concerns has become an important issue in public opinion management. Clarifying the research status and development trends of study on public opinion in emergencies is helpful for research development and practical guidance in this field. ［Design/Methodology］This research collected scientific literature on emergency public opinion published domestically and abroad, and a review was conducted from the perspective of information analytic process, including public opinion identification, public opinion organization, and public opinion analysis.［Findings/Conclusion］With the advancement of technology optimization and application, public opinion research can be furthered in terms of fine-grained identification, structured organization, and systematized analysis. A systematic and multi-dimensional evolutionary analytic framework and application paradigm for public opinions have been developed based on building a hierarchical public opinion information organization structure and graph prototype.［Originality/Value］This study has reviewed the research on public opinions in emergencies from the perspective of information analytic process, which could provide a theoretical reference for the in-depth integration and application of public opinions and knowledge graphs in the context of major emergencies.

Key words: Public opinion, Opinion mining, Information organization, Opinion evolution, Knowledge graph of public opinion, Emergency