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. His main research focus lies in the diagnosis and treatment of malignant lymphoma, with special attention to primary central nervous system lymphoma, T‑cell lymphoma, and the correlation 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 participated in the translation of two American monographs, Clinical Oncology and Immunotherapy for Malignant Lymphoma, and contributed to the second edition of Chinese Gynecology and Obstetrics, Pharmacotherapy of Gastrointestinal Diseases, and the Lymphoma Diagnosis and Treatment Specifications issued by Peking University Cancer Hospital. As a principal investigator, he has undertaken one project funded by the Capital Medical Development Research Fund and three projects funded by the Scientific Research Fund of Peking University Cancer Hospital. As a key team 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 multi‑center clinical trials. He was awarded the Third Prize of Beijing Science and Technology Progress Award.