Abstract: Massive crowd behavior in virtual environment is an important research issue of virtual reality.It is a basic sustain technology to improve the environment immersion，and has a great application value in civilian and army.Firstly，this paper introduces the basic concept of crowd and crowd behavior in society.Then，massive crowd behavior basic modeling methods and their latest research activity and several typical crowd behavior creator system in movie are presented.Finally，our opinions on crowd behavior are put forward，several critical contents that should be attend also be given.

摘要： 虚拟环境中的大规模群体行为建模是虚拟现实技术的重要研究方向之一，它是提高虚拟环境沉浸感的重要支撑技术，在军方和民用领域具有重要的潜在应用价值。首先从社会学研究领域讨论了群体和群体行为的基本概念和相关理论，然后重点介绍了虚拟现实领域大规模群体行为建模的基本方法和国内外最新研究进展以及影视娱乐业中典型群体行为模型生成系统，最后在对相关研究成果分析的基础上指出了大规模群体行为建模存在的问题和今后重点关注的研究内容。