Abstract: Taking the Luyang medium-scaled rock landslide in Huaihua City of Hunan Province as an example, on the basis of multistage high-resolution remote sensing (RS) data, the RS technology is applied to study the background factors of landslide geohazard. It is found that the Huaihua landslide is mainly caused by broken mountain and continual instandard mining. The results show that the RS technology can be used in the qualitative and quantitative analysis of landslide causes directly without exposure to hazard source.