Combing the clues of the development of China's modern literature and poetry.

1 is a collection of Hu Shi's attempts, with limited achievements but far-reaching influence.

2. Zhou Brothers, Bing Xin and other writers tried to create new poems and produced a limited number of excellent works.

3. Guo Moruo, Xu Zhimo and other new poems reached a peak.

4. Wen Yiduo, Ai Qing, Cang Kejia and others followed closely.