Associate Chief Physician, MD. Overseas training experience: Visiting Scholar at Cedars-Sinai Medical Center and Children's Hospital Los Angeles, USA. Main research directions: cardiac catheterization and interventional therapy for congenital heart disease, hybrid therapy (medical) for complex congenital heart disease, evaluation and treatment of coronary artery lesions in Kawasaki disease, and treatment of chronic heart failure in children with cardiomyopathy.He has been engaged in the clinical diagnosis and treatment of pediatric cardiovascular diseases for more than 20 years, completing over 300 cases of diagnosis and interventional therapy for congenital heart diseases annually. He specializes in interventional therapy for congenital heart disease, treatment of chronic heart failure due to cardiomyopathy, and evaluation and management of coronary artery lesions in Kawasaki disease. He possesses extensive clinical experience in the diagnosis and treatment of pediatric cardiovascular diseases including congenital heart disease, myocarditis, cardiomyopathy, Kawasaki disease and arrhythmia.