It studies the extraction model of cultural factors coming from the traditional shape， to support the activities of cultural creative design and enhance the cultural connotation of products， meanwhile， satisfy the cultural needs of the users. The five-point scale and the perceptual evaluation of line chart are constructed by using semantic differential method. They are used to value the shape samples that extract from the data. The result is style characteristics vocabulary. From both visual and connotation， a quantitatively analyses of these vocabulary is done. Based on the AHP， a weight analysis on influencing factors of style and features of vocabulary is done. Finally special culture factors are got. The integration of culture and design can effectively realize the cultural inheritance and innovation and improve cultural and spiritual connotation of the product.