Both Chunhua and Changwu county in Shaanxi province and the Mengriver watershed of Henan province, commended as the soil conservtionmodel on the forth national work conference of soil conservation, have an increase of erosion modulus in recent years, having been caused highattention, it must be solved substancialy. The lossing curves of increasing erosion are complex, mainly to be the deficiency of knowledge to thecontrol machanisms of the measures and the unwise management is onemajor reason. It is stressed that the control measures should beperformed for the goal to prevent soil erosion, otherwise, the managementis in plunder, resulting in being destroyed by selves.