Abstract: The application of mechanical shearing technology reduces the labor intensity and improves the labor efficiency, wool quality grade and wool production. According to the existing problems in demonstration, extension and application of mechanical shearing machine in pastoral area in Xilin Gol League of Inner Mongolia, the related influencing factors was analyzed, and the problems existing in natural conditions, population knowledge structure, shearing machines operating techniques, and shearing key techniques and method were investigated. Finally, the suggestions that promoting the extension and application of mechanical shearing technology in pastoral area in Xilin Gol League of Inner Mongolia by formulation of agricultural machinery purchase subsidy policy and construction of social service were proposed.