Enterprise three-dimensional GIS can not only achieve geographic data and spatial services sharing,but also display the complex spatial data visually in three-dimensional way.This paper presented a method,which is based on Skyline and ExtJS,to design enterprise three-dimensional GIS.The method used ExtJS to develo Pgeographic data and services sharing module on the three-dimensional GIS functions of Skyline.It detailed specific process of the method,and verified its feasibility and effectiveness with practi...