自然灾害发生后损房的恢复重建及其减灾效益评估是灾后重建工作的重中之重。目前,国内外减灾效益评估模型的适用范围均有一定的局限性。文章从快速评估角度出发,分析了损房减灾效益并建立了相应的效益评估模型,可为灾后房屋恢复重建方案的选择提供参考。 Restoration and reconstruction of damaged houses after natural disasters and assessment of benefits of disaster reduction are the most important tasks in post-disaster reconstruction. At present, the applicable scope of disaster reduction benefit assessment models both at home and abroad has its own limitations. From the point of view of rapid assessment, the article analyzes the benefit of damage reduction and mitigation and establishes a corresponding benefit evaluation model, which can provide reference for the selection of restoration and reconstruction plan of houses after disaster.