In 2013, three scholars, Li Meirong, Li Yinan and Yu Jing, based on the analysis of the current situation of the maintenance management system in some provinces, regions and abroad, discussed the maintenance management model of high-grade highway in Inner Mongolia, in order to improve the quality, benefit and reduce the cost of highway maintenance management in Inner Mongolia, it is proposed that the management should be centralized and unified, the enterprises should be separated from the enterprises, the allocation of machinery should be optimized, and the investment subject should be diversified, as well as maximize the economic and social benefits of the highway to provide a reference thinking.