Abstract: In consideration of the customer requirements(CRs) and consumption trends,a new design strategy of the function knapsack is proposed,which is based on combining quality function deployment(QFD) and value-focused thinking(VFT).According to this method,customers are guided to think creatively by value-focused thinking(VFT) and the CRs items and design features are acquired through visiting customers and questionnaire.Analytic hierarchy process(AHP) is conducted for customers′demand.And then house of quality(HOQ) representing the mapping relationship between the CRs and the design features is constructed based on their correlation analysis.Furthermore,the optimal scheme strategy is brought about and the effective strategy decision support is developed for enhancing the customer satisfaction.