Thomas Hardy is a famous British critical realist writer at the end of 19 and the beginning of the 20th century. Tess of the D 'Urbervilles is the most influential of all his works. This novel describes the tragic life of a beautiful and pure girl who fell out of favor. The article first describes the social environment at that time, and then begins to analyze the characters' personalities and religious factors. Tess's tragic life was caused by that society and the result of that era. In addition, this is inseparable from her own weakness, because she obviously has the duality of social character-resistance and compromise. As an ordinary person, Tess struggled helplessly with society. In the end, she became a victim of society, like all things that violate morality and ethics. Keywords Tess's tragedy; Social environment; Family environment; Moral ethics; Thomas Hardy is a famous British critical realist writer in the19th century, and Tess of the D 'Urbervilles is his most influential masterpiece. The novel mainly tells the tragic fate of a beautiful and naive girl who lost her virginity. By describing the social environment in the novel, and starting from the characters' personalities and religious reasons at that time, it is revealed that Tess's tragic fate is caused by the limitations of thought, tradition and order in that society and an era. In addition, this is also inseparable from the weakness of her own personality, because she has both resistance and compromise to fate. Therefore, as an ordinary person, Tess's struggle with the society at that time is helpless, and she will eventually become a victim of society like everything that violates morality and ethics. Tess's tragedy; Social environment; Family ring