Sister Carrie is the first novel written by Theodore Dreiser, a famous modern American writer. It has far-reaching significance in the history of American literature, which has been widely concerned since its publication. It tells a story of Carrie, a rural girl, who went to the big city to find happiness. During this process, Carrie grew from an innocent girl into a Broadway lady. Influenced by consumer culture, she dared to break with traditional ideas and tried various opportunities. However, due to the excessive pursuit of desire, she finally deviated from the correct direction of consumer culture. All the main characters in Sister Carrie reflect consumer culture in different aspects. Focusing on Carrie, Minnie, Drouet and Hurstwood in Sister Carrie, this article aims to analyze their different performances under the influence of consumer culture. Consumer culture, having both positive and negative impacts on the development of society, is still of great significance in today's society. It is necessary to establish the correct concept of consumer culture, foster the correct consumer behavior, and promote the harmonious development of society.