² Gastrointestinal Tumor Surgery:

robot assisted radical resection of gastric cancer and colorectal cancer, complete laparoscopic digestive tract reconstruction in gastric cancer surgery，transanal total mesorectal excision (TaTME), total mesorectal excision (TME), extralevator abdominoperineal excision (ELAPE).

² Incision free surgery:

natural orifice specimen extraction surgery (NOSES) , Transanal endoscopic minimally invasive surgery (TEM);

² Weight Loss and Metabolic Surgery:

Gastric Sleeve Resection weight loss Surgery, sleeve gastrectomy and gastric bypass surgery;

² Day-Care Sugery：

laparoscopic inguinal hernia surgery (TAPP, TEP, IPOM)， painless operation for anorectal diseases；

² Multidisciplinary Collaboration:

accelerated rehabilitation surgery for gastrointestinal tumors, Multidisciplinary team for difficult and complex gastrointestinal diseases, defecation rehabilitation and pelvic floor rehabilitation biofeedback.