It explores the design concept that use of no value. In classical philosophy of " truth " and " implement "， "useful" and "useless" analysis， it expounds the people′s needs， emphasizes design should have the responsibility of creating beauty. Taking the excellent design as example，it demonstrates the "use of useless" concept. The production of useless design concept is the poetic life demand and product of cultural development, minds us design is not only the needs of people material form and function，more important is to create value， change the society on certain extent，and improve people's living conditions， in order to reflect the use of "useless".