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Considering the geological and regional feature of Ankang region, combining target analysis, feature, the assessment system of geological environment bearing capacity was established, and the weights assessment indexes were presented by Analytic Hierarchy Process (AHP). And weighted composite index method combined GIS spatial analysis with data attributes database management method were adopted to assess the geo-environment carrying capacity of Ankang region. Based on the evaluation results and analysis of each rate area, this paper provides the scientific basis for ecological civilization construction and sustainable development.