Chief Physician of the Department of Radiation Oncology, Peking University Cancer Hospital; Chairman of the Stereotactic Radiotherapy Professional Committee of the China Association for Promotion of Health Science and Technology; Member of the Lung Cancer Group of the Radiotherapy Branch of the Chinese Medical Doctor Association; Member of the CSCO Small Cell Lung Cancer Group. Long-term dedication to precision radiotherapy and comprehensive treatment of thoracic tumors (lung cancer, esophageal cancer, etc.); stereotactic body radiotherapy (SBRT) for common solid malignant tumor metastases including brain, lung, bone, adrenal gland, and liver metastases. Participated in multiple national-level research projects; as corresponding author, published multiple representative SCI academic papers in top oncology journals such as Lancet Respiratory Medicine.