According to the four-part classification, Lu You's "Jiannan Poetry" in the Southern Song Dynasty should belong to

Belongs to the collection department. Lu You's "Jiannan Poetry Draft" in the Southern Song Dynasty belongs to the collection department according to the four-part classification.

Four-part classification is a method of classifying ancient books in China, including classics, history, subcategories and collections. Among them, the anthology mainly includes all kinds of poems, including all the poets' poems, anthologies and anthologies. In the Southern Song Dynasty, Lu You's "The Draft of Jiannan Poetry" is a long collection of poems and songs, which contains a large number of poems written by Lu You in Jiannan, Sichuan, and is included in this collection.