目的 研究基于价值工程理论的产品设计创新。方法 针对产品创新的问题提出应用价值工程理论， 采用系统分析、 系统归纳、 系统评价、 理论建模等综合研究方法。结论 产品设计创新是包括产品全寿命过程中的价值、 功能、 成本评价的整体创新， 通过创新优化产品功能， 降低产品成本， 实现产品的社会最大价值， 并获得价值创新的可靠判据。

To study the product design innovation based on the value engineering theory. According to the problem of product innovation， it proposed the value engineering theory， used the comprehensive research approaches such as system analysis，system induction，system evaluation and theoretical modeling. The product design innovation is the overall innovation including the value innovation，function innovation and cost assessment innovation in the whole life-circle of a product. Through innovation，the product function can be optimized through innovation， the cost of the product can be reduced， and through innovation， the social value of the product can be maximized， and reliable criteria for value innovation can be obtained.