Soil erosion is one of the most universal natural disasters on the earth.Xiaoliang region in Maoming city used to be a typical area for soil erosion. As shown from the investigation and laboratory results,besides the human element effects,geotechnical nature affects as well the quantity and the features of soil erosion.According to this observation,the author applied regression analysis of the measurement data from Xiaoliang region through power function model by using Mathematica software.This paper presen...