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.