The frequent occurrence of unconventional extreme flood has affected seriously the sustainable de-velopment of social economics.It is put forward that the cooperation management mode of extreme flood disaster risk among the operating government,the insurance company and the public in which the government is in predomi-nant.And from the point of service supply chain,the fundamental structure of emergency financial service supply chain for unconventional extreme flood disaster risk is introduced.Establishing the Stackelberg game model is a good way in solving the coordination and optimization problems in this supply chain in which the operating govern-ment is leader.%非常规突发极端洪水灾害的频繁发生已经严重影响我国社会经济的可持续发展。该文提出政府主导下的经营性政府、保险市场和公众合作的我国极端洪水灾害风险管理模式，从服务供应链的角度，提出非常规突发极端洪水灾害风险应急金融保险服务供应链的基本结构，建立经营性政府主导下的Stackelberg博弈协调优化模型及其数值仿真，有效地解决非常规突发极端洪水灾害风险应急金融服务供应链的协调与优化问题。
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