“范跑跑事件”是2008年四川汶川地震后引起全民关注的一个话题。在这一事件的传播过程中,运用传统的“沉默螺旋”理论很难加以解释,反而显示出了反“沉默螺旋”现象。本文从“范跑跑事件”出发,旨在从网络特性、社会环境、中坚分子三方面出发找出反“沉默螺旋”现象发生的原因。 “Fan running event ” is a topic that aroused people’s attention after the 2008 Sichuan Wenchuan earthquake. In the process of the dissemination of this incident, it is hard to explain the use of the traditional theory of “silent spiral”, instead it shows the phenomenon of “silent spiral”. This article starts from “Fan running events ”, and aims to find out the reasons for the anti- “silent spiral ” phenomenon from three aspects of network characteristics, social environment, and backbone elements.