With the development of science and technology, network is increasingly connected with the real world. The virtual reality interactive technology will be completely achieve the virtual reality, people will be in the "virtual fantasy" and experience outside the virtual time and space.
Virtual reality technology is a kind of computer simulation system where people can create and experience virtual world. It uses computer to generate a simulation environment. It is a kind of multi-source information fusion. Interactive 3D dynamic visual and physical behavior simulation makes users immersed in the Environment.