In "the Fine Li Younger sister" in this work, fine Li is a pure attractive countryside girl, because yearned for the big city the lively life as well as each kind of countryside are unable the joy which hopes to attain or equal, then comes to Chicago to go to the elder sister, when receives the cold reception in the elder sister family, because of got sick lost when the livelihood pain not helped, then successively and German fatigue Egypt and 赫斯特 Wood lives together, achieved the different level by this method the material demand, but afterwards in did not need their time but them gets rid. But male leading character 赫斯特 Wood is reputation prominent bar manager, because of stole the bar safe cabinet great sum of money to deceive fine Li to run away together New York, started the life in that with fine Li which lived together. In New York because accidental opportunity fine Li became famous the actor, but 赫斯特 Wood's business is not actually booming but finally is unemployed. Finally praised Li to abandon 赫斯特 Wood, but 赫斯特 Wood degenerated into the beggar and finally commits suicide. Sees, because human oneself is unable the desire which controls, fine Li and the German fatigue Egypt started the non- morals to live together the life, hereafter in order to satisfy a higher level the desire, got rid of German fatigue Egypt but to elope New York along with 赫斯特 Wood. Until finally praised Li to abandon 赫斯特 Wood to join in the stage profession, also was desire manifesting. But 赫斯特 Wood's desire is to the fine Li youth beautiful appearance desire, to the money desire, manifested person's instinct desire not to be possible to control. Is precisely because this kind cannot be suppressed the desire has facilitated fine Li and 赫斯特 Wood's destiny different transition. But the desire and the social environment also have the very complicated relation, frequently receives the social environment restriction, in the article fine Li chooses with German fatigue Egypt with the residence satisfied desire and the choice and 赫斯特 Wood with the residence satisfied desire is the entirely different key solution content: The desire has had the change along with the social environment change, the desire is the time receives the social environment the influence. Therefore this article from aspect and so on desire and social environment to fine Wood's the and so on Li and Hess destiny will carry on the contrast analysis. Anticipated result: In we may see the author to the work content concrete analysis in is the dangerous critic by no means which a desire tarnishes the oneself country, at the same time was not difficult to see the author to society's keen insight and foresightedness, the author had demonstrated through its work massively practicalizing plot to us 19 century's ends at the beginning of 20th century the American society's real picture, exposed the human sentiment is indifferent, the morals in an American naked money relations society perishes.