Nine Songs, a collection of China's ancient poems and songs. The poems in Nine Songs were originally sung and performed by Chu people when they sacrificed to the gods. Qu Yuan adapted and processed them and wrote beautiful poems. According to legend, Jiuge is a musical song of Xia Dynasty. [1] Qu Yuan wrote eleven poems according to the different gods he sacrificed. [2] They are: Emperor Taiyi, King Yunzhong, Lady Xiang, Shao Siming, and Dong Jun. One of them, National Mourning, is dedicated to the memory of soldiers and heroes who died in the war. There are five theories in Ma Chengyu's "Nine Songs", namely, the theory of religious songs and dances, the theory of Qu Yuan's sacrifice, and the theory of keeping palace notes and poems in Quanzhou, Han and Gan. [3] The title of the book "Nine Songs" [4] The genre of Qu Yuan, the author of the Warring States Period, includes Dong Huang Taiyi, Yun Zhongjun, Xiang Lady, Shao Siming, Hebo, Guo Mourning and Li Soul.