Abstract: By measuring their body heights, weights and body composition index of 415 Lingao people(male 211, female 204) in Hainan Province in November 2014, we find that the Lingao males are greater than the females in weights, heights, total body muscle mass(TBMM), limbs muscle mass(LMM), trunk muscle mass(TMM), estimated bone mass(EBM), total energy metabolism(TEM), percent body water(PBW) and visceral fat level(VFL), whereas the Lingao males are less than the females in percent body fat(PBF), percent trunk fat (PTF) and percent limbs fat(PLF). Along with the age growth, the Lingao males’ PBF, VFL and PTF increase linearly, whereas their heights, TBMM, bone mass, TEM and TMM decrease linearly. The gradual accumulation of fat in the male torso which causes PBF, VFL, PTF had a significant positive linear correlation with their age. With the increase of age, Lingao females’ PBF, TMM, BMI, VFL, most parts of the body fat percentage, LMM have linear growths(P<0.05 or P<0.01). The increase of the female percent torso and limbs fat results in an increase of their PBF, and the increase of LMM cause the enlargement of their TMM. The Lingao males are not developmental in body fat and are less than the adjacent Han in PBF. Both the Lingao people and Li ethnicity are very similar in body fat development. The Lingao people’s muscle are more developmental.

Key words: PBF; Muscle mass; Body composition; Lingao