Chief Physician, Master's Supervisor, Chief Expert of the Department of Rheumatology and Immunology. Overseas training experience: He once studied and visited the Division of Rheumatology at Cincinnati Children's Hospital in the United States. Main research directions: research on the pathogenesis of Henoch-Schönlein purpura and juvenile idiopathic arthritis in children; awarded 5 municipal-level scientific research projects with a total research fund of more than 1 million yuan; published over 30 papers, including 6 SCI papers.He is mainly engaged in the diagnosis and treatment of pediatric rheumatic and immune diseases. He specializes in rare diseases such as systemic lupus erythematosus, Henoch-Schönlein purpura/purpura nephritis, juvenile idiopathic arthritis, juvenile dermatomyositis/polymyositis, Sjögren's syndrome, mixed connective tissue disease, panniculitis, Takayasu arteritis, Behçet's disease and autoinflammatory diseases caused by single-gene mutations. He is especially good at the diagnosis and treatment of difficult and critical conditions related to pediatric rheumatic diseases, including interstitial lung disease, macrophage activation syndrome and central nervous system lupus.