ABSTRACT
Objective To analyze the characteristics and the differences of body composition in Yi of Sichuan, Guizhou and Yunnan. Methods Stature, body mass and body composition of 1556 Yi(male 757 case, famale 799 case) adults from Sichuan, Guizhou and Yunnan were investigated based on Anthropometric Method and the standard of Tanita company. Results The body mass index and percent body fat of Yi nationality people from Sichuan were significantly higher than that of those from Yunnan and Guizhou. The overall muscle and limb muscles of Yi nationality people from Sichuan were more developed than that of those from Sichuan and Yunnan. Yi nationality people from Sichuan, Yunnan and Guizhou all had the characters that muscle mass in right limb was higher than that in left. Conclusion Yi nationality people from Sichuan, Yunnan and Guizhou have great difference in body composition because of the diet and labour intensity.