Yufu River is the main threat to flood control safety in southwestern Jinan.The flood forecast with high precision is the basis of scientific flood control operation and flood prevention risk reduction.Based on the analysis of historical rainstorm and flood feature,the paper identified the main mechanism of runoff producing and converging in flood. Combining with the underlying surface information such as river network, soil, plants, and reservoir and pond distribution,it sey up the distributed flood forecast model in Yufu River basin;the paper choose 4 types of flood from 2010 to 2013 in Wohushan reservoir to calibrate the model parameter and verificate the model accuracy. Selecting typical flood process,it predicted the initial condition of rainstorm by continuously simulation and dynamic correction. by precipitation data.The paper applied the driven model of forecast data of regional precipitation to predict flood process in the basin. Results show that the model has higher precision during the period of 72-hour flood prediction and can provide support for reservoir flood control.