Brief Introduction of Maple Yutian in Zheng Guofeng

"National Wind" Zheng Fengshu Tian Yu, "The Book of Songs" Zheng Feng. It is a Han folk song in Zheng area in the pre-Qin period. The whole poem consists of three chapters, each with five sentences. From The Book of Songs. The theme of this poem is obviously divided into two schools because of the different understanding of the word "uncle" in ancient and modern times. One school thinks that "uncle" refers to the uncle section of Zheng Zhuanggong's brother; Another school thinks that "uncle" is not specific. The Book of Songs is the first collection of poems in the literary history of Han Dynasty. It has a far-reaching influence on the development of later poetry.