Thomas Hardy is a famous critical realistic writer at the turn of the 19th century. Tess of the D’Urbervilles which was published in 1891 is the most influential masterpiece of all his works. In this novel, Hardy demonstrates his deep sense of moral sympathy for England’s lower class, particularly for rural woman. Under Hardy’s pen, the heroine Tess is created as a beautiful, innocent and pure woman, who has the quality of endurance and self-sacrifice. Tess has long been regarded as the most exceptional woman character in English literary history. However, the life of this pure woman is tragic. First, she is seduced, then abandoned and finally driven to murder for which she is hanged. Tess’s tragedy is not accidental. Living in a society overwhelmed by capitalist law, hypocritical morality and ethics ad social evil forces, Tess, a poor peasant girl, inevitably leads a tragic life and finally goes to her collapse. In addition,two persons who are very closely related to Tess’s fate, Alec and Angel, directly and indirectly affect her.Moreover, the weakness in Tess’s character is also responsible for her tragic ending. Tess fights against the society helplessly. In the end, she turns out to be the sacrificial victim of the society like all other things which disobey the morality and ethics. Thus, in this paper, the author tries to analyze the various causes of Tess’s tragedy. Thomas Hardy is a famous critical found writer at the turn of the 19th century. Tess of the D’Urbervilles which was published in 1891 is the most influential masterpiece of all his works. In this novel, Hardy demonstrates his deep sense of moral sympathy for Under Hardy’s pen, the heroine Tess is created as a beautiful, innocent and pure woman, who has the quality of endurance and self-sacrifice. Tess has long been sought as the most exceptional woman character in However, the life of this pure woman is tragic. First, she is seduced, then abandoned and finally driven to murder for which she is hanged. Tess’s tragedy is not accidental. Living in a society overwhelmed by capitalist law, hypocritical morality and ethics ad social evil forces, Tess, a poor peasant girl, inevitably leads a tragic life and finally goes to her collapse. In addition, two persons who are very closely related to Tess’s fate, Alec and the Angel, directly and indirectly affect her.Moreover, the weakness in Tess’s character is also responsible for her tragic ending. Tess fights against the society helplessly. In the end, she turns out to be the sacrificial victim of the society like all other things Thus, in this paper, the author tries to analyze the various causes of Tess’s tragedy.