Taking the design of data analyzing software for imaging brain function -- SPM (Statistical Parameters Mapping) for reference, this study combined MATLAB, GIS and SDM organically, constructed an SDM system framework on MATLAB platform, integrated the major algorithms such as spatial association rule mining, spatial clustering analyzing, decision tree analyzing and so on, and applied the system in land-use spatial database, aiming at enhancing the efficiency of massive data processing and enlarging the application of MATLAB in spatial data mining, spatial vector data processing and other aspects.