Symbols for Williams not only are the pure language of drama but also a poetic device to add aesthetic dimension and say more without utilizing many words. It goes without saying that they maintain important position in the architecture of his plays particularly in his monumental work, Streetcar Named Desire. So far, various critics have analyzed the play from numerous approaches. However, they neglected to explore the relationship between the symbols and the themes in the play. Therefore, the current article attempts to show how central symbols in A Streetcar Named Desire move ahead the theme of conflict between illusion and reality.