Abstract: 1920 Haiyuan 8.5 Earthquake had induced a large number of Group loess landslides in Xiji county of Ⅸ、Ⅹ Earthquake intensity area, which caused the casualties and serious ecological damage. Based on the field investigation, this paper studies about 314 landslides in research area by using Google Earth image interpretation method. Obtained the space distribution and deformation destruction characteristics of loess earthquake landslide in study area and analyzed the main inherent and external influence factor of landslide formation. According to the research results of this paper, putting forward some suggestions for project location, construction excavation and disaster prevention in the mountain area of Southern Ningxia.