Zhang Bin, Associate Chief Physician, Director of the Endoscopy Center, Department of Gastroenterology Graduated from Shanghai Jiao Tong University School of Medicine with a Master's degree in Medicine. Primarily engaged in the diagnosis and treatment of pediatric digestive system diseases, with expertise in common pediatric conditions such as abdominal pain, vomiting, diarrhea, hematochezia, constipation, jaundice, abnormal liver function, dyspepsia, and biliary-pancreatic disorders, possessing extensive clinical experience. Currently serves as Director of the Endoscopy Center, Department of Gastroenterology at Shanghai Children's Medical Center, and Executive Director of Pediatrics at Shanghai East Hospital. Member of the Pediatric Gastroenterology Group, Shanghai Medical Association Pediatric Branch. Main research interests: chronic abdominal pain, feeding difficulties, and application of pediatric digestive endoscopy.