Abstract: Vegetation spatial heterogeneity was changed by mountain grazing-paths and by grazing along the grazing-paths. Mountain grazing-paths were defined as settled movement ways, ascending or descending, and comparatively fixed trails of foraging and trampling of livestock on the mountain sides. Their formation and distribution are summarized based on published literature at home and abroad. This paper mainly reviews the interaction mechanisms between mountain grazing-paths and vegetation spatial heterogeneity. As a linear corridor, mountain grazing-paths provide channels and habitats for species diffusion; they divide patch landscapes, affect plant boundary dynamics, and also impact on vegetation spatial heterogeneity at different scales. There is mutual influence between livestock selective grazing along grazing-paths and vegetation spatial heterogeneity and vegetation spatial heterogeneity change by livestock trampling and excretion. Foraging, trampling and excretion of livestock play a comprehensive role in soil changes and indirectly affect the spatial distribution of vegetation. Mountain grazing-paths have theoretical and practical values in the study of animal behavior and grazing ecology. Furthermore, they could be a basis for monitoring vegetation degeneration and controlling grazing capacity.