The ”popular phrase” is a product of the times, and the miniature of social culture. Especially the young population, live in a rapidly changing and information explosive era, is not only the popular phrase receiver, but also the popular phrase inventor. Therefore the popular phrase is the symbol of self-identity codes of flaunt for young people. Through to the young people popular phrases interpretation, can really grasp the unique characterization of the alternative youth culture.Although ”popular phrase” is informal in the pragmatic, but in sociolinguistics, the new theme is actually receives warmly attention. On observation and study of the popular phrases phenomena have been discussed a lot. Actually, in Taiwan does not have complete literatures to discuss the cultural implications of the popular phrase in youth speech community and the connection with the social pulsations as well as the times change. This paper starts from the literature review and corpus analysis; investigates the pragmatic features of the popular phrase in youth speech community, and to further explore the highlight feature between popular phrases and the young people.