Virtual reality technology (VR) is one of the hottest technology in recent years. In this paper,combined with the experimental and virtual reality technology in the course of motor drive, a solution of virtual laboratory based on the problems existing in the experiment of ordinary university is put forward,The platform is designed with Unity3d engine and 3Dmax drawing software and uses the virtual reality technology, the principle of the motor modeling technology, threedimensional modeling technology and database technology. The experimental platform includes three subsystems, seperately,user login, laboratory roaming and virtual experiment to achieve user information management, visit the laboratory and do motor simulation experiments and realize other functions. The test shows that the system is stable and reliable, which can achieve the desired results.