David Henry Hwang is the first and the only Asian American playwright ever to win Tony Award for Best Play.His latest play Yellow Face combines signs,representation and the issue of identity on the stage with those in the real life,vividly interpreting the fluidity of identity.Therefore,this essay attempts to concentrate on a semiotic study of Yellow Face from the perspective of Stuart Hall's Cultural Studies,especially the discursive approach.Through the analysis of various signs in the plays to be discussed and how these signs construct meaning to represent culture,this essay explores the relationships between symbolic representations and cultural identity,shedding a new light on Yellow Face.