On the basis of outdoors’ geological surveying, taking Landsat-7 satellite images as resources, the authors process remote sensing images systemically with its software ERDAS, the authors totally interpret and distinguish HOH Xil Basin’s geological features basing on the geological knowledge of remote sensing’s formation analyzing techniques, according to MAPGIS, the authors extract formation information of fault and fold and embody it with diagram, find out fault and fold distribution and developing features of HOH Xil Basin, providing the reference for native geological survey and resource of oil and gas research.