There are two kinds: some are specially made by literati; Part of it is collected from the people. Later, people called the poems collected by Yuefu organs Yuefu, or Yuefu poems and Yuefu words, so Yuefu changed from the official name to the poem name. The two best Yuefu poems are Mulan Poetry and Peacock Flying Southeast. Yuefu Poems are divided into 12 categories in Yuefu Poems, such as Jiaomiao Ci, Sheyan Ci, Advocacy Ci, Hengchui Ci, Harmony Ci, Qing Shang Ci, Dance Ci, Qin Ci, Miscellaneous Ci, Modern Style Ci, Miscellaneous Ci and New Yuefu Ci. There are several sub-categories, such as cross-blowing lyrics. Among these different kinds of music, Jiao Miao Qu and She Yan Qu belong to the movements used by the court, and their ideological content and artistic skills are not satisfactory. There are also some works with poor artistic value in advocacy songs and dance songs. But on the whole, most of its collections are excellent folk songs and poems written by literati with old Yuefu poems. Among the existing poetry collections, Yuefu Poetry is an important work which was written earlier and collected all kinds of Yuefu poems in past dynasties.