Earthquake　disaster　reduction　philosophy　based　on　performance　and　consequence,　in　this　paper　the　classification　and　the　methods　of　earthquake　damage　assessment　of　urban　buildings　are　mainly　discussed.　For　each　type　of　buildings,　the　corresponding　methods　are　set　up,　such　as　the　capacity　spectrum　method,　etc.　A　case　study　of　the　vulnerability　assesment　has　been　done　by　analyzing　behavior　of　the　Quanzhouś　buildings,　and　the　appropriate　strategy　for　earthquake　disaster　mitigation　is　given.　The　proposed　methods　of　the　vulnerability　assessment　and　disaster　reduction　countermeasures　in　this　paper　can　be　applied　to　urban　disaster　mitigation　planning　for　some　other　similar　cities.