Abstract:Land leveling is the transformation of land surface condition through demolition and earthwork, such as demolishing buildings, structure foundations and obvious height differences of different land in order to meet the requirements of subsequent construction. The calculation of earthwork quantity in land leveling is the key part. Based on introducing land leveling engineering in this paper, combining with the method for calculationg the account of earthwork quantity by using Cass software of Southern mapping, including square grid method, DTM method, regional earthwork balance method, through example verification, comparation and analysis of experiment resuls, land leveling plan map has been made and the conclusions has been gained.