During my master's degree, I studied under Professor Chen Xunru, the pioneer of laparoscopic technology in hepatobiliary surgery in China, and gained a solid clinical basic skills of laparoscopy. So far, I am a doctor of clinical medicine. Dr. Wu and Professor Yang, famous hepatobiliary surgeons in China, have broadened his academic horizons and have performed nearly 500 hepatectomies so far. At present, he is mainly responsible for the diagnosis and treatment of liver cancer and duodenoscopy in the hepatobiliary surgery department of the Navy General Hospital, and has completed more than 200 cases of various endoscopic diagnosis and treatment in the past two years.