To analyze how car design push the limits of traditional mode，to focus more on users in the age of internet. By getting inspiration from design， development and sales of electronic products， it reviewed the current modes of car appearance design，configuration option and personalized collocation，to seek car design ideas more suitable for rapid development rhythm in the age of internet. It applied free custom design and order design， production modes to car design and sale via internet platform， from which consumers will gain better experience of individuation， and to promote supporting industries as well.