Abstract: This article being guided by the ecology, according to the ecosystem characteristic of Taihang Mountains area, emphasizing the land comprehensiveness factors, provides concise, entirety, standard ecological division way. It has been ecological division using GIS technology, according to the ecosystem influencing factors and ecological division principle. Electron map and the division form demonstrate the result.The natural and environment characteristic of living things are abstract , synthetic ,standardization and integration by the form.It will guide the resource reasonable using.