Through rejecting the traditional media language concept,Rorty sets forth his thought of language contingency,and further discusses the contingency of liberalism society.Rorty puts that eradicating the foundation cannot turn to the denial of values,and as long as we aband on the traditional philosophy and language concept,we will be able to defend these values without philosophical foundation.Rorty demonstrates us kinds of superman wisdom to defend traditional values in the context of post-modernism.