As the name implies, the core technology of 3D digital exhibition hall is the application of 3D stereo imaging, combining the virtual technology of film and television technology with visual art, integrating the content, space, installation and audience's behavior into the designed exhibition items with better appreciation, interactivity and experience, and creating a super marketing experience for all industries. Today's 3D digital exhibition hall is more different from the traditional 3D technology. It also adds interactive experience, VR video browsing, etc., which has unprecedented shock in audiovisual aspects, and is believed to bring unprecedented heat to exhibitors.