Abstract:[Purpose/significance] In the new era,the network public opinion presents new characteristicsThe traditional public opinion information management method has been far from meeting the actual needsTherefore,it is necessary to develop a more scientific method to study the knowledge organizing of network public opinion[Method/process] Based on the analysis of network public opinion information organizing technology,this paper defines the network public opinion knowledge map structuralization,analyzes the knowledge demand of network public opinion management activities,elaborates the construction method of network public opinion knowledge map,and proposes a knowledge organizing structure for network public opinion based on knowledge map[Result/conclusion] The experiment shows that the proposed method can provide more precise management capabilities,so that it can efficiently detect public hotspots and offer decision support for network public opinion guidance