Researcher, doctor, doctoral supervisor, Beijing Institute of animal husbandry and veterinary medicine, Chinese Academy of Agricultural Sciences, major in agricultural product processing and storage engineering - theory and technology direction of animal product processing and safety control. As a post expert of the national beef and yak industry technology system, undertake the post work of beef cattle classification and segmentation; Presided over and participated in the research and formulation of many national and industrial standards, such as "beef carcass and fresh meat segmentation" (gb/t 27643-2011), "beef grading specification" (ny/t 676-2010), "beef grading" (sb/t 10637-2011), "pre-mortem living evaluation rules for beef cattle" (submitted); As a mainland assisting expert in the "Qinghai Tibet Plateau community animal husbandry industry science and technology project", he participated in the research on the public welfare (agricultural) industry science and technology project "Qinghai Tibet Plateau Characteristic organic animal product production technology and industrial model", focusing on "yak slaughtering, preservation and meat product production technology innovation and quality standard formulation".