With　the　increase　of　urban　population　and　the　raise　of　industrialization　and　town　levels,　the　demand　of　land　for　construction　is　on　the　increase.　The　contradiction　of　man　with　land　increasingly　emerges.　However,　the　requirement　quantity　of　construction　blindly　increased　will　add　the　hazard　factor　of　the　city.　The　authors　applied　the　technique　of　geographic　information　system　to　analyze　the　influence　of　intensity　of　earthquake　on　land-use,　and　optimized　the　quantity　structure　and　space　structure　of　land-use.　And　then　realize　the　rational　and　secure　planning　of　land　resources.