Establish a virtual operation or training system servicing maintenance, training, visiting, etc. by using virtual reality technology so that the practice can keep up with the development of technology. 3D visualization allows users to obtain intuitive and comprehensive observation of the product itself through corresponding interactive elements and auxiliary functions. Users can have a direct understanding of characteristics, usage or operation principle of the product, namely a complete picture of the product inside and out. Establish a complete 3D system to present the real environment. By adopting interactive mechanism among internal links, production facilities are networked and manufacturing system is intelligent, building intelligent factory in the new era.