Abstract: In contemporary society,products are not only the carriers of function,they are also given more significance. People's spiritual needs are becoming stranger and stronger. On the basis of usefulness and ease,the goal of design is to constantly improve its psychological effects to resonate with consumers'emotional demands. Through the study of emotional factors on product design,the positive and negative impacts of emotional response caused by stimuli in the design are analyzed. Then they are applied to the process of the emotional experience design. The paper draws the conclusion that the users will be affected positively when the emotional experience index of the design is relatively high.