文章以新浪网站真实数据为基础,通过识别热门事件衍变子话题的互信息度构建衍变话题网络,进而通过复杂网络分析的方法测度衍变话题网络中结点的中介中心性以及可视化衍变话题的次第组配网络拓扑,达到细分热点事件衍变话题,明确其组配规律的研究目标,以期为热点事件舆情的危机定性、技术干预、舆情跟踪反馈等工作提供实践依据。 Based on the real data of Sina.com, the article builds a network of change topic by identifying the Mutual Information Degree of the topic-changing topic, and then measures the intermediary center of the nodes in the topic network and the sub-group of the topic of visualization by complex network analysis With the network topology, the topic of subdividing hotspot events has been developed and the research goal of its composing rules has been clarified. The purpose is to provide practical evidences for the crisis of hot issues, public opinion tracking and feedback.