主要研究含单边约束的运量分布与交通配流组合问题的灵敏度分析计算方法.通过将该问题的数学规划模型等价转化为变分不等式模型,进而利用变分不等式问题的灵敏度分析方法,得到该组合问题中各决策变量关于扰动参数的导数公式.最后给出一个简单的数值算例说明该灵敏度分析方法的有效性. This paper mainly studies the sensitivity analysis and calculation method of the traffic distribution with unilateral constraints and the combination of traffic flows.Through the equivalent transformation of the mathematical programming model of the problem into the variational inequality model and the sensitivity analysis of the variational inequality problem, The derivative of each decision variable about the perturbation parameter in this combinatorial problem is given. Finally, a simple numerical example is given to illustrate the effectiveness of the sensitivity analysis method.