Director of the Second Department of Gastroenterology of Liaocheng City Second People's Hospital, Chief Physician, Member of Shandong Provincial Medical Association Division of Digestive Diseases, Vice Chairman of Liaocheng City Medical Association Gastrointestinal Endoscopy Specialized Committee, Standing Member of Provincial Preventive Medicine Association Chronic Liver Disease Prevention and Control Branch, Member of Provincial Anti-cancer Association Cancer Endoscopy Branch, Member of Provincial Chinese Medicine Society Spleen and Gastrointestinal Disease Professional Committee, Member of Provincial Physicians' Association TCM Spleen and Gastrointestinal Disease Specialized Committee, Provincial Rehabilitation Member of Gastrointestinal Disease Committee of Provincial Association of Rehabilitation Medicine