On the basis of developed soil erosion model on the middle and east part of Guanzhong plain

the soil erosion intensity and their units are estimated in Heihe basin. The relative error between the exist results and field survey of hydrographic stations were in the allowed duration. The spacial distribution of soil erosion intensity were shown and the relationships between soil erosion intensity and land use types were discovered in the Heihe basin. Adjusting land use structure and reconstructing vegetation ecosystem would be basic way for reducing soil erosion and prolonging the lifetime of Heihe reservoir.