The Death of Woman Wang tells a story about a married woman who eloped with her lover and finally was murdered by her husband.Nevertheless,the impressive and amazing part of this book is the perspective that the author has taken,rather than the story itself,an view that standing from the complete era,including backgrounds of politics,history and economy,making the plots in this book reasonable through the writing technique which has no subjective position.Morality has played a part of vital importance with its irreplaceability in this work,so the following article will start from ethic,then describe and analyse the use and role it demonstrates in this book.