Abstract: According to the dynamic variations of northeast China forests hydrological processes and annual snow and frozen soil characteristics, we established the distributed hydrologic processed model by using the GIS technology and computer programming language. The daily runoff process of the typical catchment of Tangwang River Basin in Lesser Khingan Mountains was simulated by NEHM and was compared with the observed data about the growing season amounts of surface runoff and daily surface runoff in 2004 in Yulin River. Results showed that the simulated and measured values had a great relationship(R² and E_ns ≥0.75). On this basis, the simulations of land surface streamflow amounts in observation station grids with various precipitations scenes were conducted by NEHM, and the NEHM could give exactly expression to the effects of rainfall scenes on hydrologic process.