The purpose of this research is to apply the system geographic information science to study the changes of spatial amphawa. Study on land use amphawa. And to guide land use, amphawaAmphawa, Samut songkhram province area 170.164 square kilometers. The research instruments satellite photos LANDSAT 5 system TM townplanning amphawa scale. 1: 50 000, documents and information related to the Nong Han District.