Pengyu Li is the associate chief physician. He has been working in the emergency surgery department Since 2000. As a visiting scholar, he has visited the University of Arkansas School of medicine and the memorial Sloan Kettering cancer center in New York for one year. He is the first full-time emergency surgeon in Qilu Hospital, and has established the emergency surgery general surgery professional group. The major direction is the diagnosis and treatment of general surgery. After years of development, the emergency general surgery specialty has changed from nothing to have, from small to large. At present, it has undertaken 90% of the workload of general surgical   emergency in Qilu hospital. The diagnosis and treatment process of acute abdomen and abdominal hemorrhage was standardized. The successful rescue of many difficult and critical cases, such as steel through injury, abdominal wall burst injury, etc., all have a certain social impact. The current social part-time jobs include: Deputy Director of disaster group of emergency medicine branch of Chinese Medical Association; standing member of emergency trauma physician branch of Shandong Medical Doctor Association; member of vascular trauma Expert Committee of endovascular Professional Committee of Chinese Medical Doctor Association; member of disaster medicine and emergency rescue doctor branch of Shandong Medical Doctor Association Member of the first Committee; member of vascular surgery branch of Shandong Medical Association.