Sichuan folk songs and Yunnan-Guizhou folk songs. Southwest Han folk songs mainly include Sichuan folk songs and Yungui folk songs. Southwest Han folk songs are an important part of China traditional music culture, which are mainly distributed in Sichuan, Yunnan, Guizhou and other regions. It was developed from the ballads sung by the local Han people when they were working in Shan Ye, fields and forests. Southwest Han folk songs mainly include Sichuan folk songs and Yunnan-Guizhou folk songs, among which Sichuan folk songs are famous for their high-pitched agitation and beautiful melody, while Yunnan-Guizhou folk songs are famous for their melodious and free rhythm. These folk songs have strong local characteristics and ethnic customs, which are the cultural heritage created by the Han people in southwest China in their long-term labor practice.