Specializes in endoscopic minimally‑invasive and surgical treatment of gastrointestinal lesions.International Committee Member of the European Society of Gastrointestinal Endoscopy (ESGE) and the Japanese Gastroenterological Endoscopy Society (JGES). Has presided over various research projects including those funded by the National Natural Science Foundation of China and the Shanghai Science and Technology Commission. Published more than 130 papers with a total impact factor of over 700 and more than 3000 citations. Edited 7 monographs. Applied for 37 national patents in total, 16 of which have been transformed. As the first completer, he has been awarded the Second‑class National Science and Technology Progress Award, the First‑class Shanghai Science and Technology Progress Award, the First‑class Ministry of Education Science and Technology Progress Award, the First‑class Huaxia Medical Science and Technology Award, the Second‑class Chinese Medical Science and Technology Award, and the Shanghai Outstanding Contribution Award for Medical Development, among others.