Abstract:The paper presents the feeding and the food category of the white-cheek gibbon (H.c.leucogenys)in the whole year in Meng La Natural Conservation Area, Yunnan Province.White-cheek gibbons prefer extremely selective fruits, and nextly leaves, young shoots and leaves, flowers, and only occasionally Some small animals. The plant materials account for 93.60%.The ratio of the feeding time in each day among fruits, leaves, flowers, young shoots and leaves and animals are 38.63%, 35.52%, 4.67%, 17.29% and 3.89% The...