Four women are selected from Tennessee’s four dramas. The four women all struggle for survival and they are “Error” women according to Aristotle’s “Error” theory. There are two kinds of “Error”. These four women in the plays make one of the mistakes or make two mistakes at the same time. They make mistakes for the purpose of survival. Their tragedy is survival tragedy. The “error” is one essential part of the play’s plot and helps construct the effect of a tragedy.