Chief Physician. He served as Director of the Department of Nephrology and Rheumatology from 1998 to 2019. He participated in the compilation of monographs including *Diagnostic and Therapeutic Specifications for Pediatric Immune System Diseases*, *Systemic Vasculitis*, *Pediatric Immunology*, *Standard Training Course for Physician Assessment - Rheumatology and Immunology Volume*, *Standardized Residency Training: Pediatric Demonstration Cases*, *Integrated Organ-System Medical Textbook - Rheumatology and Immunology*, and *Rheumatology in Obstetrics, Gynecology and Pediatrics*.He was the first author of the *Chinese Expert Consensus on the Diagnosis and Treatment of Systemic Juvenile Idiopathic Arthritis*, co-author of the *Recommendations for Diagnosis and Treatment of Juvenile Idiopathic Arthritis (Polyarticular/Oligoarticular Types)*, first author of the *Second Part of Expert Consensus on Diagnosis and Treatment of Macrophage Activation Syndrome Associated with Pediatric Rheumatic Diseases — Chapter on Systemic Juvenile Idiopathic Arthritis*, and the corresponding author of the *First in the Series of Expert Recommendations on Hot Practical Clinical Issues of Pediatric Immune-Related Diseases — Recommendations for the Use of Methotrexate in Pediatric Rheumatic Diseases in China*. He won the Second Prize of the Science and Technology Award of China Association of Chinese Medicine (as the second completer). Overseas training experience: He studied pediatric rheumatology at the Hospital for Special Surgery (HSS) in New York, USA in 2001.

His main research focuses on the diagnosis, treatment and clinical research of pediatric kidney diseases and rheumatic diseases. He was among the first in China to report the use of hydroxychloroquine for pediatric systemic lupus erythematosus and multi-target therapy for pediatric lupus nephritis. He paid early attention to clinical issues such as the relationship between pediatric renal interstitial lesions and the efficacy of nephrotic syndrome, as well as the diagnosis and treatment of various types of pediatric systemic vasculitis. He has established standardized diagnosis and treatment protocols for common pediatric rheumatic and kidney diseases, and accumulated experience covering most types of pediatric rheumatic and kidney disorders.