Objective In order to display digital printer products and assist teaching, virtual reality technology was used to create digital printer virtual demonstration system. Methods The design used DocuColor 5065 digital printer as the research object, and drew CAD images and curves of the model in AutoCAD and Illustrator based on the collected data. Finally a model was built in 3ds Max. After optimization, the model was imported into the VRP platform to realize virtual printing process display, component introduction and step-by-step explanations. Results A digital printer virtual demonstration system was finally established. Through the system, people can watch printing demonstration, assembly animation and assembly procedures. The system can also help users to understand the machine parts and the actual printing process. Conclusion The virtual reality technology used in the digital printer can not only carry on the digital description and visualization display, helping users to acquaint with the internal and external structure of the digital printer, but also provide a display platform for the demonstration process of the digital printer.