本文运用系统工程的思想.从定量的角度探讨了基础性研究国际合作与交流效益评价的指标体系,并在基金委国际合作局有关官员和专家的支持下,经大量调查统计,建立了“国际合作与交流效益评价等级标准”及含有评价专家权重向量的综合评价模型.然后,运用新建立的评价模型,对各类国际合作与交流项目的效益——费用状况进行了分析. This paper uses the idea of ​​system engineering to discuss the index system of basic research on the evaluation of international cooperation and exchange benefits from a quantitative point of view. With the support of relevant officials and experts from the International Cooperation Bureau of the Commission, Cooperation and Exchange Benefit Evaluation Criteria "and a comprehensive evaluation model with evaluation experts weight vector, and then use the newly established evaluation model to analyze the benefits and costs of various international cooperation and exchange programs.