Emile Zola's novel Nana profoundly exposes the hypocrisy, cunning, greed and debauchery of capitalists and dignitaries as their agents in the capitalist upper class. As a result, the novel was attacked as soon as it was published, thinking that Zola was "immoral" and immoral. This book is neither true nor novel. It turns a real woman into an absurd and frivolous woman whose language life has nothing to do with nature. Although this novel has been criticized by many people, it has also been praised by many people, and many things it describes still have strong practical significance. The works are mainly realistic, but also mixed with naturalism; The language is popular and lively, with a large number of folk sayings; This is one of the reasons why this book has a large number of readers in the world.