【摘要】美国次级房贷危机、中国512强烈地震,都使住房贷款机构陷入尴尬被动境地。保证保险能够防范次级房贷危机、化解银行贷款风险,避免按揭贷款买受人因意外事故引起的以房抵债、被迫搬迁等风险,增加保险公司业务量。但是,保证保险在实际中却没有推广应用,需要从法律上明确保证保险的性质、统一相关法律规定;改变银行以强势地位强制推行贷款保险、保险公司设计理赔事项及计算保险费用不合理等情形;完善保险人代位求偿权的规定。【关键词】住房按揭贷款;保证保险;次贷危机;512强烈地震【英文摘要】The US subprime mortgage crisis and the serious Wenchuan earthquake in China both make the banking institutions in a predicamentThe mortgage guarantee insurance may prevent the subprime mortgage crisis,dispel the loan risk of banks,avoid losing house of