Yuefu refers to the Han Dynasty Yuefu, and Han Yuefu refers to the poems collected and produced by the Yuefu institutions of the Han Dynasty.
The so-called "Double Jewels of Yuefu" is the collective name of "Poetry of Mulan" and "Peacock Flying Southeast". The Han Dynasty Yuefu poem "The Peacock Flies Southeast" and the Northern Dynasty folk song "Mulan Poetry" are collectively known as the "Yuefu Shuangbi". Both poems are long narrative poems, highly praised by literati of all ages for their profound social and ideological significance and high artistic achievements.