据投标的实际流程，从投标的全过程出发，利用预测理论、决策理论、对策理论和计算机技术等开发了项目投标决策支持系统PBDSS，并系统介绍了PBDSS的结构、功能、实现技术和应用。PBDSS可在施工企业投标工作的信息咨询、项目选择、总价制定、报价内部调整及标书生成等方面发挥辅助决策的作用。

Because of the development of the regularization, standardization, marketization of project bidding and tendering, and considering of the significance of bidding to construction corporations, a project bidding decision support system is developed supported by forecast theory, decision-making theory, game theory and computer science. The system is based on the practical flow of project bidding and the whole process. The paper discusses the structure, the function, the technologies that make the system comes true and the application of the system. The system can help construction corporations in consultation of information, selecting project, establishing the total price and interior adjusting of bidding price, presenting standard bidding report.