This paper aims to discuss the complexities involved in the leftist literature and art as well as popular urban literature by targeting the “urban literature” as viewed in the leftist literary and artistic circles in the 1940s.

In this process,he had had the value direction of surmounting the left-wing literary and art circles in 1930\'s.

Class contending was the aim of the left-wing literary campaign,the activity of which was completely subjected to political contending.

In the 1930s,a certain number of poems,short stories and other writings written by Korean proletarian writers were translated into Chinese by the Left-Wing magazines of China such as Dazhongwenyi.

KMT government considered Li Liewen as a left-wing literati,while some mainland scholars treated him as reactionary literati.

The political empathy and aesthetic conversion of leftist literature are special artistic appearance in aesthetic experience.

Xia Zhiqing evaluated modern Chinese literature by western traditional critical theory,which was entirely different from the leftist literature,so the evaluation results were also totally different.

In the process,stress had been laid in the Leftist literary arena on the "theory of literature and art propaganda",thus having roughly defined the essence of Leftist literature and accelerated the generalization of literary ideology.