集体行动(群体事件)是我国转型期较新的社会问题,信息传播在其中扮演着重要的角色。本文从议程设置、大众传播的理论出发分析在这些集体行动(群体事件)中信息传播的环境,对信息环境环境化形成的媒介、意见领袖、受众三方面的原因进行了讨论。 Collective action (group events) is a relatively new social issue in the transitional period in China. Information dissemination plays an important role in this. This article analyzes the environment of information communication in these collective actions (group events) from the setting of agenda and the theory of mass communication, and discusses the reasons for the formation of media environment, opinion leaders and audiences in the environment of information environment.