With the support of geographic information technology,a comprehensive analysis was made of Qujing's eco-environmental sensitivity from four aspects:soil erosion,rocky desertification,geological di-saster and ecological degradation,and the results showed that the areas of insensitive,moderately sensi-tive,highly sensitive and extremely sensitive ecological environment in Qujing accounted for 49.44%,32.51%,13.96%and 4.10%,respectively.The insensitive areas were distributed in a southwest direction,the moderately sensitive areas distributed across the whole city,and the highly sensitive and extremely sensitive areas mainly distributed in the east of Qujing and southwest of Huize County.