Associate Chief Physician, graduated with a bachelor's degree in 1983. From 1988 to 1990, pursued further studies in cardiothoracic surgery at Peking Union Medical College. From 1992 to present, has been working in the Department of Thoracic Surgery at Peking University Third Hospital. Promoted to Associate Chief Physician in 1994. Specializes in surgery and comprehensive treatment for thoracic tumors, such as: esophagectomy with anastomosis below the aortic arch, above the aortic arch, and in the neck. Cardiectomy for gastric replacement of the esophagus, total gastrectomy with jejunal replacement of the esophagus. Interposition colon esophagoplasty. The longest postoperative survival has reached 15 years. Surgical complication rates are lower than the international average. Lobectomy for lung cancer, pneumonectomy, sleeve resection of the lung, partial pulmonary artery resection and reconstruction, partial superior vena cava resection and reconstruction, etc. Combined with preoperative and postoperative chemotherapy, radiotherapy, immunotherapy, and traditional Chinese medicine treatment. This has greatly improved the five-year survival rate of lung cancer patients. Performs surgical resection of various difficult mediastinal tumors. Corrective surgery for chest wall deformities such as pectus carinatum and pectus excavatum has achieved good results. Particularly skilled in minimally invasive thoracic surgery. Began performing thoracoscopic surgery in 1994 and is one of the earliest doctors in the country to carry out thoracoscopic surgery. These include lobectomy, esophagectomy, resection of esophageal leiomyoma, surgery for achalasia, hiatal hernia repair, fundoplication, myasthenia gravis, extended thymectomy, resection of mediastinal tumors such as thymoma, teratoma, esophageal cyst, bronchogenic cyst, pericardial cyst, and neurogenic tumors. Resection of benign lung tumors and metastatic tumors, resection of pulmonary bullae for spontaneous pneumothorax, elimination of massive malignant pleural effusion, pericardial window for malignant pericardial effusion, thoracoscopic sympathectomy for palmar hyperhidrosis, thoracic duct ligation for chylothorax, treatment of acute empyema, thoracoscopic minimally invasive Nuss procedure for pectus excavatum. Covers almost all diseases in thoracic surgery, sparing these patients the suffering of open chest surgery. Participated in the translation of Christopher's Textbook of Surgery, Gastrointestinal Tumors, and other books. Participated in the compilation of the thoracoscopic section of Laparoscopic Surgery. Participated in the 1st to 6th National Thoracoscopic Academic Conferences and gave presentations multiple times. Published more than 10 academic papers in thoracic surgery. Teaches the thoracic surgery section of surgery, supervises clinical practice and clerkship for medical students at Peking University Health Science Center, and supervises the clinical work of clinicians, graduate students, and visiting scholars.