High　efficiency　is　necessary　to　data　organization　structure　for　large　amount　of　data　storage　and　application　of　Personal　Credit　System.　Studies　the　data　organization　structure　of　Personal　Credit　System　based　on　modeling　technology　of　data　ware　house　and　designs　the　data　warehouse　architecture.　The　architecture　includes　three　kinds　of　database:　Base　Database,　CRM　Database,　and　Analysis　Data　Mart.　Based　on　HOLAP　modeling　technology　of　data　ware　house　the　system　meets　the　demand　for　data　storage　in　detail　and　multidimensional　analysis　querying.