Abstract: According to the evaluation indexes system frame established on improvement rate of soil and water loss, health diagnoses of several typical regions from soil and water loss improvement are comprehensively evaluated. The results show as follows: The health diagnosis indexes of improvement rate of soil and water loss in Diaojingyan of Yongshun county, Shimenqian of Xinshao county and Bailuyu of Ganxian county are from 0.60 to 0.70, which are in relative steady stage. Those indexes in Tudibang of Wanzhou county and Huangchen of Chenxian county are 0.50-0.60, which are in fragile stage. And the indexes in Jinlei of Yuanmou county, Niuchangba of Qianxi county and Bishanmiao of Guangan county are less than 0.50, which are in malignant circle stage.

Key words: improvement rate of soil and water loss , indexes system；health , comprehensive evaluation , diagnosis index