Chief Physician, Doctor of Medicine. Party Branch Secretary of the Department of Radiation Oncology, Peking University Cancer Hospital. Specializes in precision radiotherapy for abdominal and pelvic tumors. Currently leading one provincial/ministerial-level research project and multiple departmental and university-level research projects. Has contributed to the compilation of several domestic guidelines for the diagnosis and treatment of malignant tumors and multiple radiotherapy monographs. Has published over 40 SCI papers (including 8 as first author). Social affiliations include Vice Chairman and Secretary-General of the Radiotherapy Committee of the China Association of Geriatric Health, and also serves as an editorial board member and reviewer for multiple domestic and international academic journals.