Abstract: In this paper, the preparation methods of corn stalk silage in high altitude areas, including constraction of silage cellar, preparation of corn stalk, placement of corn stalk into silage cellar, planishing corn stalk silage mound, sealing of silage cellar, terminal time of silage fermentation, test of corn stalk quality （character, odor, color, pH value, etc.） were introduced,and the silage feeding technology were also reviewed, so as to provide references for the full utilization of local corn and other forage resources and domestic animal breeding.