Abstract: The well-being section of the Han River water,soil loss caused by natural disasters investigation and analysis of the impact on the environment that the different patterns of their use of water resources and prevention of soil erosion and damage to the environment vary.As a result,the history of flooding caused by soil erosion,floods very serious damage to the environment are often disastrous;Small Watershed Comprehensive Management of groove slope model,farmland water conservancy infrastructure and governance model,governance model Xigou sub-regulation to enable them to basically form a comprehensive watershed protection system,and essentially no silt down the mountain,and to better protect the environment.