Former dean of School of food engineering and nutrition science, Shaanxi Normal University;
Member of Xi'an CPPCC, decision-making advisory committee of Xi'an municipal government, legislative advisory expert of the Standing Committee of Shaanxi Provincial People's Congress, chairman of Shaanxi food science and technology society, vice chairman of Shaanxi Toxicology Society, member of Shaanxi food safety expert committee, executive director of animal toxicology branch of China Toxicology Society, and enjoy special government allowance of the State Council.
Main research interests: food safety, food nutrition, food toxicology, pesticide residue analysis and functional food research.