The research of relationship between foraging areas of sheep and spatial heterogeneity of grassland landscape was conducted at the blocks of a fenced grazing grassland with stocking rate of 4 sheep/hm 2.The results show that the patterns of sheep foraging are relatively regular in foraging lines and spots of lying.Generally,the grazing sheep prefer to forage the communities consisted mainly of Amtemisia frigida and Cleistogenes squarrosa rather than to forage the communities consisted of Stipa gr...