In practice,research on the international project financial risk management lags behind that of the financial risk analysis research,especially for PPP project. Therefore, how to choose the optimal combination of financial risk governance strategy is a very worthy of study in international PPP project. Firstly, it studies the financial risk features of international PPP project and sets up a financial risk index system. Secondly, the article evaluates the revenue loss influence degree of various financial indicators to the international project. Markowitz portfolio theory is used to calculate revenue loss degree and risk of financial risk under different risk index weight combination. Finally,the advice of financial risks management is proposed.%实践中国际工程财务风险治理的研究远远滞后于财务风险评估的研究，特别是 PPP 实施后出现的新风险，对这些风险治理的研究非常少，因此在国际工程项目中如何选择最优的财务风险治理组合是非常值得研究的问题。分析了国际工程PPP项目财务风险的差异性，建立了财务风险的指标衡量体系。在此基础上评估财务风险指标对国际工程整个项目收益损失的影响程度，利用马克维茨投资组合理论计算出在不同风险治理权重组合下财务风险收益损失影响程度和风险大小，并提出了对财务风险的治理建议。
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