Starting from the land suitability evaluation system, the article, through the selection of evaluation factors, constructs the evaluation model, and using the spatial overlay analysis function of GIS, makes the comprehensive analysis and evaluation of land development and utilization of mild slop of low mountains and hills in Jinning county, Kunming city, Yunnan province. The evaluation result can provide basis for scientific and reasonable development in mild slope of low mountains and hills.%本文从土地适宜性评价体系入手，通过选取评价因子，构建评价模型，进而运用GIS的空间叠加分析功能，对云南省昆明市晋宁县低丘缓坡土地开发利用适宜性进行了综合分析评价。该评价结果可以为科学合理的进行低丘缓坡土地开发提供依据。
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