Abstract: Grazing ban works grassland eco-construction of the country a major strategic initiatives, to protect and improve the grassland ecological environment and promote sustainable development of grassland animal husbandry is of great significance. This article works through the implementation of the process of analysis of various information, evaluatate about the ecological, economic and social benefits. Basic conclusion is： the overall effect of grazing ban works obviously in Inner Mongolia, ecological, economic and social benefits have been significantly increased,but at the same time the existence of policies and measures not in place, supporting policies and industrial development issues such as out of touch,impact on the effectiveness of the project needs for further reform and innovation.