Binh Dinh is located on the south central coast of Vietnam, the province's territory stretches 110 km along the North - South, the climate, hydrology and topographyare quite complex, where are affected by the most types of natural disasters occur more frequently in Vietnam. Especially, flooding occurs with high frequency and very large level of damage. In recent years, in the best interest of the local govemment's and local governments, many flood alleviation measures could have been reduced flood damage. However, on the command and direction of the authorities and flood prevention initiative are limited by subjective and objective reasons. One of the reasons is the tools for flood prevention has not yet fully, lack of intuitive tools to influence the level of flooding plus the level of awareness about the dangers of flooding from all levels and sectors as well as communities is limited. In order to flood prevention requirements, application of GIS and remote sensing technology to map flood is need to improve the quality of flood prevention, can be limited the damage caused by flooding