Cheng Yufeng, male, doctor of medicine, chief physician, professor and doctoral supervisor. 1988 graduated from Shandong medical university with a bachelor's degree and was recommended as a master's student in our school. Started working in Qilu Hospital from 199 1. He is currently the director of radiotherapy department, and concurrently a member of radiotherapy branch of Chinese Medical Association, radiotherapy branch of China Anti-cancer Association and vice chairman of radiotherapy branch of Shandong Medical Association. 1997 ~ 1998 went to the United States for further study, attended the National Radiotherapy Annual Meeting and the New England Radiotherapy Annual Meeting and spoke at the meeting. Engaged in tumor radiotherapy, good at comprehensive treatment of head and neck tumors, lung cancer and esophageal cancer, and won the first prize of new technology in Qilu Hospital. He presided over the national "863" sub-project, Shandong Natural Science Foundation project and Shandong Science and Technology Key Project. Won the second prize 1 and the third prize 1 for the progress of science and technology in Shandong province. More than 20 papers have been published in recent five years, of which 5 are included in SCI. Editor-in-chief of Practical Antitumor Drug Therapeutics, and deputy editor-in-chief of Clinical Tumor Radiotherapy. Won the first title of "Top Ten Physicians" in Qilu Hospital.