A　geological　hazard　is　a　potential　disaster　in　which　affects　the　smooth　development　of　the　social　economy.　The　current　situation　of　geological　hazard　in　China　is　revealed　and　its　impact　on　the　social　development　is　discussed　in　this　paper.　To　avoid　geological　hazard,　many　systems　for　reducing　the　geological　hazard　are　developed　and　the　problems　existed　in　these　existing　systems　are　present.　To　solve　these　problems,　in　this　paper,　the　systems　engineering　method　for　reducing　geological　hazard　is　proposed　and　developed.　With.　the　features　of　implementing　systematized　and　legalized　management,　the　proposed　geological　hazard　systems　engineering　model　has　the　properties　of　certain　rationality　and　feasibility.