Abstract: An anthropological study was made in May 1983 on Sibo nationality including 130 males and 90 females, from 20 to 78 years of age.
The results of the survey can be summarized breifly as follows :
Sibo nationality has significant features of Eastern Asian type o'f yellow race and is most closely related to Dawuer nationality living in Heilongjiang province and Han nationality living in North China, while it is remotely related to Li and Miao nationalities.
The type of head belongs to brachy-, liypsi- or tapeino-eephaly. Sibo nationality lias well-developed fold of upper palpebra. The breadth of eye aperture belongs to narrow type. The ear is longer. The armstretch is longer. The shoulder is narrower. The waist is thicker. The pelvic breadth is broader.
The mean value of the stature of males is 1697.3 mm and that of females is 1584.46 mm.

Key words: Anthropometry; Somatoscopy; Sibo nationality; Chabucher county