Chief Physician, Professor, Doctoral Supervisor, Distinguished Professor at Peking University International Hospital. Former Director of the Department of Respiratory and Critical Care Medicine at Beijing Anzhen Hospital, Capital Medical University, and Deputy Director of the Department of Critical Care Medicine at Capital Medical University. Engaged in clinical, scientific research, and teaching work in respiratory and critical care medicine for over 30 years, with extensive clinical experience in common, frequently occurring, and complex diseases of the respiratory system. Main research directions include pulmonary embolism and pulmonary vascular diseases; airway diseases; pulmonary infections and respiratory critical care. Published over a hundred academic papers, chief editor of "Clinical Cases and Imaging Analysis of SARS," contributing editor of "Middle-Aged and Elderly People and Respiratory System Diseases," "Pulmonary Embolism -- Multidisciplinary Case Analysis," "Pulmonary Embolism Diagnosis and Treatment Manual," chief translator of "Emergency Airway Management," "Critical Care Medicine," and other works.