The purpose is to analyze the constructive approach of virtual digital display and its research status from the technical perspective, and to provide strategic ideas for the development of virtual digital exhibition. The methodology firstly starts from the concept of virtual digital exhibition, collects and organizes the application areas of virtual digital exhibition; secondly, identifies the composition of virtual digital exhibition system categories and technical support, summarizes the advantages and disadvantages of different categories of digital exhibition; points out the limitations of the current existence, outlines the challenges of the research and puts forward development suggestions. The conclusion outlines the virtual digital display building methods and presentation forms, analyzes the characteristics and development trends of the three building types, and enhances the presentation forms of virtual displays.