The traditional geological disaster survey relies on field reconnaissance with a lot of manpower and expenditure. In the project of “Remote sensing for land resources in Anhui Province”, author uses TM images and tape data to survey the geological disaster for the first time. This method not only extends the limitation of field reconnaissance, but also is more suitable for studying lager scale surface disaster. With which, the quantitative and qualitative study can be used in the geological disaster, so its type, scale and extent can be surveied objectively, accurately and quickly. The result of survey can be utilized to analyze the causes of disaster and how it develops. Also it can be used to make disaster zoning, predict vulnerable area and offer scientific proof for disaster preparedness and relief.