Abstract: This report is the collaborated research project of 1 1th International Histcompatibility Workshop and Conference on the study of HLA polym orphism in 8 Chinese natinalities.
Our results showed that Bouyei, Miao and Southern H an clustered in Chinese Southern population, Zang, M an, Mongol, Hui and Northern H an clustered in Chinese northern population. All of them belong to Mongoloid race, but the Uygur contains certain blood ties of the Caucasoid rece, as shown in the dendrogram.

Key words: HLA polymorphism; HLA class I and class II antigen; China