本文首先分析了出行者的心理因素对交通出行选择的影响,进而根据公交出行问路的背景, 结合实际难题设计了决策目标。通过系统结构与功能的分析,确定了数据库与模型库的范畴,并通过流程图将这一决策支持系统表示出来,最后以上海公交问路系统的开发展示了该系统的应用前景。 This paper first analyzes the impact of travelers’ psychological factors on traffic options, and then designs the decision-making goals according to the background of bus travel. Through the analysis of system structure and function, the scope of database and model library is confirmed, and this decision support system is represented by the flow chart. Finally, the application prospect of this system is demonstrated by the development of Shanghai bus interrogation system.