:CSCW是近年来计算机应用领域的一大热点 ,出现了许多适用于不同应用背景的系统。本文在对一类特殊的应用领域——动态协同工作进行分析的基础上 ,总结了当前协作模型主流技术的不足 ,指出了在动态协作系统中存在的难点问题 ,并就其中的群体感知、协作控制等关键技术进行了深入的探讨 : CSCW is a hot spot in the field of computer application in recent years. There are many systems that are suitable for different application background. Based on the analysis of a special kind of application field - dynamic collaborative work, this paper summarizes the shortcomings of the mainstream technology of the current collaborative model, points out the difficulties in the dynamic collaborative system, and on the group perception, collaboration Control and other key technologies conducted in-depth discussion