The electronic sand table model is established by means of elevation data, and elevation data, vector data, and image data are visualized in three dimensions. A rendered electronic sand table model for Zhejiang Province is established in the threedimensional scene. The Zhejiang electronic sand table display platform is constructed based on Microsoft.NET and ArcGIS Engine. It completed several functions such as the integrated display of electronic sand table, the basic operation of maps, attribute information query, automatic overlay display, and the analysis of MICAPS grid data (the fourth category). It provides a manifest threedimensional environment for users to analyze conveniently a variety of meteorological elements in combination with terrain.