Soil information data have been playing an important role in agricultural production.An soil resource information system of the Three-Gorges Reservoir Region of HuBei is designed with MapXtreme as the platform of the network geographical information system (WebGIS),and the aid of database,network and geographical information system (GIS) technology.The designing of the system is of great significance to extension of the range of sharing of soil information of the reservoir region and efficient management of the soil resources.This paper introduces breifly design philosophy and structure of the system and key methods of materializing the system,and cites some examples of operation of the system.