In viewof the present situation of the fine reservoir description in China, it is proposed that using stochastic modeling to study the reservoir properties based on log interpretation and combined with variation function analysis in geologic statistics. Through the strata frame work provided fromstructural model and the digitization of the sedimentary microfacies maps of the sublayers in the study area, the sedimentary microfacies model is established. The physical property model controlled by microfacies models is built up, which makes the quantitative application of sedimentary microfacies study in the field exploration research and the combination with the reservoir parameters distribution realized. It provides accurate data set for reservoir numerical modeling and provides basis for the development adjustment and full use of the remaining oil.