This research takes the mining planning of complex soil yards and the dam construction process as research objects. Based on the spatial morphological characteristics of complex soil yards, the three-dimensional models of the soil yards are established. Aiming at the multi-source and multi-dimensional data structure and type characteristics of soil material characteristics, the integration and unified management of soil material multi-source data are realized based on the data warehouse. The spatial interpolation algorithm was used to analyze and query the physical characteristics of soil material at any position. A virtual analysis model of soil material information system is constructed. Aiming at the characteristics of core wall filling construction process, a construction progress simulation model considering the impact of low temperature and rainy conditions on core wall filling was established, and the dynamic simulation of core wall construction progress with the filling layer as the basic unit, and its three-dimensional visualization display were realized. Based on the simulation data of the core wall filling process and considering the quality requirements of the core wall filling material, a dynamic planning model for the soil stockyard mining system was established, and the dynamic planning for the multi-material field earth material mining was realized. The above models and methods were verified on a practical project.