现任美高梅附属同济医院党委书记，担任中华医学会消化内镜学分会第七届委员会委员兼副秘书长，上海市胃食管静脉曲张内镜诊治专委会副主任委员，上海市消化内镜专委会委员兼秘书，大肠学组副组长，上海消化专委会动力学组委员，上海市中西医结合消化内镜专委会常委。

President of Tongji Hospital affiliated to Tongji University;

Member and vice executive secretary of the Chinese Society of Digestive Endoscopy

Vice chairman of the committee, Endoscopic Diagnosis and Treatment of Esophagealgastric Varices, Shanghai branch;

Secretary of the Digestive Endoscopy Committee, Shanghai branch;

Member of the Gastrointestinal Motility Disorders Committee, Shanghai branch;

Member of Traditional Chinese and Western Medicine in Digestive Endoscopy Committee, Shanghai branch.

该团队主要从事有关内脏高敏感的中枢机制的基础研究以及胃肠道疾病的内镜下诊治临床研究，以第一完成人获得2016年上海市医学科技奖二等奖，主持并参与多项国家自然基金项目、上海市科委项目引导类及临床重点项目10余项，团队目前在研国家自然科学基金面上及青年项目4项、上海市申康临床新技术推广项目1项、上海市科委临床引导类项目1项，总经费达300余万元，并与瑞典隆德大学、日本大学病院、日本国立癌中心建立了长期合作关系，已发表论文100余篇，SCI 15篇，累积IF 30余分，主要研究成果发表于Neurogastroenterol Motil、European Journal of Radiology、Cell and Molecular Immunology、Molecular Cancer Therapeutics等杂志，主编著作3部，参编6部，已获得应用型专利4项。

The team lead by Prof. Xu has focused on studying mechanism of visceral hypersensitivity and endoscopic diagnosis and treatment of digestive tract diseases for more than 10 years. Now the team hosts 4 projects from National Natural Science Foundation of China and 1 projects from Shanghai Science and Technology Commission and 1project from Shanghai Hospital Development Center. The total funds are more than 3,000,000 RMB. The team has established long-term cooperative relationship with Sweden Lund University, and has published over 100 papers, including 15 papers published in Neurogastroenterol Motil, European Journal of Radiology, Cell and Molecular Immunology, and Molecular Cancer Therapeutics etc. The total IF of these papers is more than 30. Prof. Xu also edited 3 professional works, participated in editing 5 professional works and has obtained four applied patents.