Wang Wenyi is a researcher of agricultural technology extension of Bayannur Agricultural and Animal Husbandry Science Research Institute. For many years, he has been engaged in scientific and technological services, research and promotion of grass root animal husbandry and veterinary medicine, and participated in the breeding of Bamai mutton sheep, which has made important contributions to promoting the leapfrog development of local mutton sheep breed improvement and improving the coverage of improved breeds. By the end of 2019, the population of Bamai mutton sheep in the city reached 52000, of which 38000 can breed ewes; We carried out technical training for farmers and herdsmen, held 116 technical training courses, on-site meetings and technical consultations, trained 358 team members, 765 technical backbones, 1577 technicians, 147 new business entities and 8919 farmers, providing strong technical support and guarantee for mutton sheep breeding@ Inner Mongolia Autonomous Region Federation of Trade Unions