This iShow- Electronic Sand Table is made by 4 pieces of DU610ST short throw projectors. The traditional sand tray is made by the abrasive tool, so they are lake the dynamic display. The iShow-Electonic Sand Table can show the dynamic development well and vividly show the enterprise development that needs to be described. And with the passage of time and the development of enterprises, the projected content can be changed flexibly. The iShow-Eletronic sand Table is mostly combined with the curved screen, which can better show the development history and current situation of the enterprise. It is applied to introduce the urban development planning, enterprise development history, re-engineering project, exploitation of real estate and other fields.