1. The composition of the authors of The Book of Songs is very complicated, and its region is also very wide. However, these poems, by their very nature, are the lyrics of songs. From the works in the pre-Qin period, we can see that the original function of poetry is singing, which is the product of aristocratic sacrifice and banquet.
2. Most of the works in The Book of Songs are lyric poems, and they don't pay attention to characterization, or even ignore the events themselves. What it conveys is the author's understanding of society and feelings, or just a kind of literary compassion.
3. Judging from the materials in The Book of Songs, it has obvious realism. The Book of Songs almost covered all aspects of social life at that time.
4. The mainstream literature of Han Dynasty is the creation of literati, and the mainstream of literati's creation is Ci Fu. The similarities between Yuefu folk songs and The Book of Songs exist as folk creations and are non-mainstream cultures.
5. Although it is consistent with literati literature, there are many inconsistencies. This non-mainstream folk creation has gradually influenced the creation of literati with its strong vitality, and finally promoted the vigorous rise of poetry, replacing the rule of Ci and Fu on the literary world.