In this paper the related data of underlying surface at home and abroad and the common criterions of land use classifications were utilized, the actual conditions were also combined and the underlying surface feature, including land use, soil feature and terrain elevation, over Heihe River and it's neighbourhood have been classified into two kinds of grided data with high resolution (about 3 km×3 km and 6 km×6 km respectively). It is useful for the investigation of air-land interaction over Heihe River and its neighbourhood.