19821February graduated from the medical department of China Medical University,1July 1987 graduated from Dalian Medical University with a master's degree. He has been the director of gastroenterology in the First Affiliated Hospital of Dalian Medical University for more than ten years, the chief physician, professor, tutor of doctoral and master students, and a member of Dalian CPPCC. Editorial Board of Journal of Dalian Medical University, invited editorial board of chinese journal of practical internal medicine, member of Gastrointestinal Dynamics Group of Digestive Branch of Chinese Medical Association, vice chairman of Dalian Digestive Endoscopy Society, vice chairman of Liaoning Digestive Endoscopy Society, and member of Dalian Medical Accident Technical Appraisal Committee. Engaged in clinical, teaching and scientific research for 30 years, he has won the third prize of scientific and technological progress of the provincial government, the second prize of scientific and technological progress of the provincial education commission, the third prize of scientific and technological progress of the Dalian municipal government and other provincial and municipal awards. Dozens of graduate students have been trained, and some of them have become academic leaders in their regions, and nearly 100 articles have been published successively.