The Book of Songs is the beginning of ancient Chinese poetry. It is the earliest collection of poems from the beginning of the Western Zhou Dynasty to the middle of the Spring and Autumn Period (from the 11th century to the 6th century). There are 311 poems, of which 6 are Sheng poems, that is, they have only titles. There is no content, and it is called the Six Poems of Sheng ("Nan Gai", "Bai Hua", "Hua Millet", "You Geng", "Chong Qiu" and "You Yi"), reflecting the five hundred years from the b