Chief Surgeon of the Department of Gastrointestinal Surgery, Shandong Provincial Hospital affiliated to the Shandong First Medical University, Shandong Province , China. Specialized in the field of minimally invasive surgery for gastrointestinal disease, mainly the laparoscopic and/or robotic surgery for gastric cancer and colorectal cancer, Single incision laparoscopic surgery (SILS) for gastrointestinal  disease