研究了顾客需求的类型、信息调查的途径,建立了基于产品生命周期和供应链的广义客户需求分类树,设计了客户广义需求信息模板,为基于网络环境下的产品协同设计奠定了基础. The type of customer demand and the way of information investigation are studied. The generalized customer demand classification tree based on product life cycle and supply chain is established. The general demand information template of customers is designed, which lays the foundation for product collaborative design based on network environment.