Objective: To study the origin of SichuanYi ethnic group according to human leukocyte antigen(HLA)-B gene frequency.
目的：根据人类白细胞抗原（HLA）-B基因频率，探讨四川彝族的民族起源。
2
The Han, Tibetan Yi, Qiang Lisu and other nationalities in Sichuan maintain different cultures and customs, which provide the inexhaustible source of folk songs and dances.