1, the length of the poem has changed from scattered to more neat and not uniform.
2. Poetry has become more profound from the initial "melancholy of the land".
Poetry has changed from its initial solemnity and profundity to something more prudent and philosophical.
Brief introduction of Ai Qing: Ai Qing (191March 27th-1May 5th, 996), formerly known as Jiang Zhenghan, whose pen names are Ejina, Keye and Lin Bi. Born in Jinhua, Zhejiang Province, he is a contemporary writer and poet. Ai Qing is regarded as one of the representative poets of China's modern poetry. His main works are Dayan River-My Nanny and Selected Poems of Ai Qing.