Abstract: The Day of Locust,written by Nathaniel West,drew upon the background of Hollywood.It reflected the absurd social realities during the Great Depression in America by depicting the miserable life of the characters and the final riot incident on the street.The story was characteristic of Carnival atmosphere.In contemporary literary criticism,Carnival Theory has been a metaphorical discourse by revealing the textual meanings.The paper aims to interpret the striking satires and the profound implications by referring to Carnival Theory.