Has long been engaged in the diagnosis, treatment, and research of gastric and colorectal tumors, primarily focusing on minimally invasive surgery, with particular expertise in minimally invasive surgery for gastric cancer, colorectal cancer, gastrointestinal stromal tumors, etc., as well as neoadjuvant and conversion therapy for gastrointestinal malignancies. In addition, skilled in colonoscopic diagnosis and treatment, including snare polypectomy, APC, EMR, etc. Also quite accomplished in laparoscopic surgery for inguinal hernia (TAPP, TEP), incisional hernia, umbilical hernia, parastomal hernia, and hiatal hernia. Simultaneously proficient in surgery for benign anal diseases, including internal ligation and external stripping for mixed hemorrhoids, elastic band ligation, stapler TST and PPH procedures; seton drainage and LIFT procedure for complex anal fistula; Delorme and Altemeier procedures for rectal prolapse; surgery for pilonidal sinus and skin flap transplantation, etc. Has long focused on basic and clinical research on the pathogenesis of gastrointestinal malignancies, presided over and completed multiple research projects including those from the Shanghai Municipal Health and Family Planning Commission, and in recent years has cumulatively published nearly 20 professional papers in SCI and core journals.