National Information Infrastructure (NII), also called Information Super Highway (ISH) is a computerized network system which provides world wide users with huge amount of information and other information services. Its prototype Internet, has linked more than 150 countries and regions together, and provides a series of services such as News, Email, electronic library. China NII has been constructing with the start of Golden Bridge project. National Spatial Data Infrastructure (NSDI) has been listed as the important component of NII, the key to the success of NSDI is to develop WebGIS and draft of the standard and normal for geo spatial data and their exchange. The development of ISH will give a new opportunity for GIS. It will promote the development of WebGIS, change the mode of integration of GIS, remote sensing and other related technologies, widen the GIS application field, and therefore promote the information revolution of geographical science.