Abstract: Information analysis is the most important part of online public opinion monitoring and warning. From the aspect of the overall analysis process, it can organize the information, evaluate the value and priority to monitor public opinion, forecast the development trends of public opinion and alert to consider the monitoring effect. Analysis results could be used to discover the propagation of online public opinion, identify sensitive topics and views expressed, timely intervene and guide emergency, track the development of occurred events, prevent and respond to potential emergencies.

Key words: Online public opinion, Information analysis, Public opinion analysis technology, Information utilization