群体决策支持系统中 ,信息收集为群体观点生成提供依据 ,是正确决策的基础 .本文将 GDSS环境中信息收集分为前期、中期和后期三个阶段 ,给出了各个阶段信息收集的特点和任务 ,并利用多智能主体的问题合作求解技术 ,建立了 GDSS环境中基于多智能主体合作求解的信息收集框架 In the group decision support system, information gathering provides the basis for the generation of group opinion, which is the basis of correct decision-making.This paper divides the information collection in GDSS environment into three stages: pre-stage, middle-stage and post-stage and gives the characteristics and tasks of information collection in each stage , And using the cooperative problem solving technique of multi-agent, this paper establishes a framework of information gathering based on multi-agent collaboration in GDSS