Bu Jun, Chief Physician, Deputy Director of Neonatology Department Primarily engaged in neonatal specialty work within pediatric internal medicine, with profound expertise in the diagnosis and treatment of common neonatal diseases, comprehensive management of preterm infants, and critical neonatal care. Specializes in the diagnosis and treatment of complex and critical neonatal conditions, follow-up of high-risk neonates, and monitoring of neurodevelopment and sequelae in preterm infants. Currently serves as Secretary of the Circulation Committee of the Neonatology Branch of the Chinese Medical Doctor Association, and Member of the Perinatal Medicine Branch of the Shanghai Medical Association. Overseas training: May 2001 to May 2003 at Mie Central Medical Center, Japan Main research directions: Neonatal nutrition and immunity, comprehensive management of preterm infants, and diagnosis and treatment of critical and complex neonatal diseases.