Duoruike public opinion monitoring system collects, classifies, integrates and screens all kinds of information on the network, and then forms a software tool for real-time statistical reporting of network hotspots, trends and opinions of netizens. It uses Internet information collection technology and intelligent information processing technology to realize the supervision and management needs of each unit on its own network public opinion through automatic collection and processing of online mass information, sensitive word filtering, intelligent clustering classification, topic detection, topic focusing and statistical analysis, and finally forms public opinion briefing, public opinion special report, analysis report and mobile express, which provides analytical basis for decision makers to comprehensively grasp public opinion trends and make correct public opinion guidance.