Sister Carrie is the first work of Theodore Dreiser, Ittells us how a country maiden becomes a famous star in Broadway.In the novel, Dreiser describes the living conditions and emotion
changes of Carrie very vividly. Sister Carrie takes true realism as itsdistinctive feature, reflects the tragic fact that people pursue Americandream fanatically in the early twentieth century. This paper exposes the theme of instinct, which drives people to enjoy but disillusion finally, and illustrates that it is impossible to possess true happiness in a money-oriented capitalism society