The Life-career Rainbow of Donald E. Super is used as the groundwork for this study with the purpose of assisting fashion designer in apprehending the divergence among different generations in term of fashion preference. The study has adopted females living in Shanghai, China who were born between 1980 and 1999 living in Shanghai, China as the subject, the result demonstrates: the factors of preference in design which are valued by the consumers as the purchase of luxury apparels is proceeding are style, fabric and delicacy, and factors of preference with the least consent are creativity, color, practicality, contour and trend. The study proves that by using rainbow hierarchy can the preference for the fashion design and the transition for the fashion of cross-generational consumers be grasped more efficaciously so that the data can be well-established in order to escalate the precision of fashion designers in dealing with the design preference for cross-generational consumers.