Chief Physician, Associate Professor, Master's Supervisor. For many years, he has been mainly engaged in the diagnosis and treatment of medical oncology, especially malignant lymphoma, hematopoietic stem cell transplantation, tumor biological immunotherapy and hematological diseases, and has accumulated rich clinical experience. He is dedicated to the diagnosis and treatment of malignant lymphoma, focusing on central nervous system lymphoma, diagnosis and treatment of T‑cell lymphoma, and the relationship between malignant lymphoma and hepatitis B. He has published more than 30 papers in various national core journals, including 4 SCI papers as the first author. He has co‑translated two American monographs, Clinical Oncology and Immunotherapy of Malignant Lymphoma, and participated in compiling the 2nd edition of Chinese Gynecology and Obstetrics, Pharmacotherapy of Gastrointestinal Diseases, and Lymphoma Diagnosis and Treatment Specifications of Peking University Cancer Hospital. As a principal investigator, he has undertaken one project supported by the Capital Medical Development Research Fund and three projects supported by the Scientific Research Fund of Peking University Cancer Hospital. As a key member, he has participated in research projects under the National "211 Project", the National Natural Science Foundation of China and Beijing municipal research programs. He has taken part in multiple domestic and international multicenter clinical trials. He was awarded the Third Prize of Beijing Science and Technology Progress Award.