Taiwan is located at the connecting place of many plates. Earthquakes frequently happens, terrain is steep as well as rivers are short and intermittent. Besides, people inappropriately cultivate resulting in land collapses and mudflows after earthquake or typhoon. Casualties and lose and damage of property are tremendous. Because landslide areas are characterized by spatial differences, they are related to the area terrain, geology, climate as well as land use. The studies on landslide areas are limited in details of local area and the database of landslide areas are not established in the past. Therefore, geographic characteristics of large-scale landslide areas are not easily controlled. By digitizing marked landslide areas on topography maps of scale 1:50,000 and overlaying geology, fault, hydrographic, vegetation, transportation and DTM of 40 m layers of Taiwan area with GIS software, the geographic characteristics of large-scale landslide areas in Taiwan are analyzed in this study. The results show that large-scale landslide areas in Taiwan area are mainly distributed at elevation over 1000 meters and gradient between 30° and 70° mountain area. The properties of geology are mostly Sandstones, Shale, Slate and Phyllite. 98.5 percent landslide areas mainly happen at 1 km within riverside. As for elevation under 1000 meters area, the situations occur at the vicinity of riverside, road and man-cultivated area. The influence of gradient is not significant. As for elevation over 1000 meters area, the major influence factors are gradient, hydrology, geology and developed use of roads. Therefore, the development of water gathering district, logging and production road are needed to be carefully evaluated by related department of government. This will make sure that land can keep developed forever. From this study, applying the information of topographic maps to evaluate the Geographic characteristics of landslide areas seems show good feasibility and can be provided for references on disaster prevention of hillside fields.