With the development of information technology, some new teaching medias are emerging. In recent years, as a new teaching method, virtual reality technology has developed rapidly. From the perspective of educational technology, this technology, combined with computer network and multimedia technology, has been applied in the teaching of computer course in college. Through the related research, some practical function modules can be redesigned and realized. Through the virtual environment of the network, learners can get the same learning experience as in the real scene. Eventually it can not only enhance their autonomy, creativity and enthusiasm, but also improve their learning effect.