The Glass Menagerie is the drama for which Tennessee Williams became famous. This article studies on how expressionism is incarnated in the dramatic conflicts. Williams’unique techniques of expressionism make a poetic picture on the stage; present to the audience an ordinary American family immersing in dreams. This article studies on how expressionism is incarnated in the dramatic conflicts. Williams’unique techniques of expressionism make a poetic picture on the stage; present to the audience an ordinary American family immersing in dreams.