The Crucible is a tragedy describing a common man who strives for his identity in a moral disorder and finally sublimes his morality and gets redemption. Miller portrays a common man as a tragic hero and expresses the optimistic spirit, which conveys catharsis and moral enlightenment to audience. The play aims at social transformation purification and moral transformation and provides moral enlightenment to those who are suffering from living plight. The paper targets at explaining the universal moral enlightenments in modern cultural background and demonstrating the unique artistic charm and profound ideological thrust by analyzing the psychological transformation of the tragic hero in the perspective of Jungian’s individuation theory.