The reproduction of a virtual human's behavior technology has become one of the hot research topics in recent years. This article discusses the problems and solutions might be encountered in the research of generating realistic human behavior animation. First of all, we analysis the content of three-dimensional model file formed with 3DS format how to reproduce an all-round mode. Secondly, we analysis the content of skeleton file in BVH format, reproduces the skeleton information and motion information contained in the file, and forming a skeleton animation. Then, we combine motion data and model of human body, and produce a real-time skinned mesh animation. Eventually, we have developed a system based on OpenGL graphics library and the MFC Framework. The input is the model file produced by three-dimensional modeling software and the skeleton file exported by motion capture equipment, and the output is a model animation.