针对效用函数可能具有嵌套、重叠和(或)包含关系的区间型多目标合作对策求解问题,提出两阶段非线性规划模型和方法.考虑实际决策问题中的多目标因素,定义基于满意度的区间数排序关系及区间型多目标合作对策的区间值核心解概念,进而构建多目标两阶段非线性规划求解模型,并给出二分法的求解步骤.最后,通过实例说明所提出模型和方法的可行性和适用性. In order to solve the problem of interval multi-objective cooperative game in which the utility function may have nested, overlapping and / or inclusive relationships, a two-stage nonlinear programming model and method is proposed. Considering the multi-objective factors in the actual decision-making problem, Interval number order relation and interval-type multi-objective cooperation strategy, and then build a multi-objective two-stage nonlinear programming model and give the dichotomy solving steps.Finally, an example is given to illustrate the proposed model and method Feasibility and suitability.