Madame Bovary is a very famous work around the world. Many researches have been made on this great work from various aspects, such as female consciousness, love view, romanticism, and so on. The main character of this novel, Mrs. Bovary, blindly pursues her own business and finally leads to a tragic life. This kind of action is in line with the key point of utility. This article uses the principle of utilitarianism to analyze how it gradually puts Mrs. Bovary into abyss, aiming to express the perniciousness of utility towards people’s life and warn humans to stay away from utilitarian circles in this modern economic society.