Prof. Dr. Xinxiang Li is a Chief Physician and Doctoral Supervisor at the Department of Oncology, Shanghai Medical College, Fudan University. He has been engaged in clinical work on colorectal tumors for many years and has rich experience in the diagnosis and treatment of colorectal tumors. He was previously involved in clinical work and research at the Cleveland Clinic Florida Minimally Invasive Surgery Center in the United States. After returning to China, he took the lead in successfully carrying out various laparoscopic colorectal surgeries while working at the Affiliated Cancer Hospital of Fudan University. He has rich clinical experience in laparoscopic treatment of colorectal cancer in the elderly, laparoscopic rectal cancer ultra-low anus-preserving surgery, and laparoscopic radical resection of colon cancer.