As the representative of Japanese naturalism literature,Precept Breaking was translated and introduced to China about 50 years ago.But the Chinese academic circle has regarded Precept Breaking as the realism literature for a long time.The novel itself has shown a narrative logic of "no ideal,no solution",employing "mental revealing" and non-classical methods and exposing the "melancholy of the awakened" and environment fatalism.Whether from narrative or from thematic perspective,Precept Breaking falls in the category of naturalism.