中文摘要：

在界定网络群体性事件的基础上以系统的方法对网络群体性事件的演变机制进行深入细致的研究．包括网络认同机制、网络扩散机制、网络动员机制和网络疏导机制。研究指出这些机制在网络群体性事件的不同发展阶段扮演着不同的角色，并决定着网络群体性事件的生命周期。

英文摘要：

Intensive research is made in this paper on the evolution mechanism of internet mass event on the basis of defining the internet mass event, in which Systematic approach is applied. The result show that the evolution mechanism are composed by internet identity mechanism, internet diffusion mechanism, internet mobilization mechanism and internet grooming mechanism, and the research points out the different roles they play in different development stages of internet mass event, which also determine the life cycle of intemet mass event.