Chief Physician, Director of the International Medical Care (Special Consultation) Department. He specializes in the treatment and management of common chronic respiratory diseases in children (such as chronic cough and asthma), standardized treatment of common pediatric respiratory infectious diseases (such as pneumonia and bronchitis), as well as diagnosis and treatment of complicated and critical respiratory diseases in children. He has particular expertise in pediatric respiratory endoscopy diagnosis and endoscopic interventional therapy, focusing on the diagnosis and treatment of congenital/secondary laryngeal, tracheal and bronchial stenosis in children of all age groups. He conducts comprehensive diagnosis and evaluation of pediatric airway stenosis by combining imaging and bronchoscopy technologies, and is skilled in minimally invasive interventional therapies including cryotherapy and laser under bronchoscopy to provide comprehensive medical treatment and management for various types of pediatric airway stenosis. With proficient application of bronchoscopy, he delivers accurate pathogen and pathological diagnosis for children with various complicated infections or interstitial lung diseases. Overseas training experience: He has received advanced training in pediatric respiratory diseases and respiratory intervention at the Department of Pulmonology, Cincinnati Children's Hospital Medical Center in the United States, Pediatric Intensive Care Unit of Taipei Veterans General Hospital, and Minimally Invasive Tumor Center of Emergency General Hospital. Main research directions: pediatric respiratory endoscopy diagnosis and endoscopic interventional therapy, diagnosis and treatment of various congenital malformations of the respiratory system in children, treatment and management of common chronic respiratory diseases in children (such as chronic cough and asthma), and diagnosis and treatment of various pediatric respiratory infectious diseases.