YUAN Jie, with a master's degree in pediatrics, is currently the deputy chief physician of the Department of Pediatrics of Jiahui Health. Dr. YUAN graduated from Southwest Medical University in 2004, and has received further training in the Children's Hospital of Chongqing Medical University and Shenzhen Children's Hospital. Dr. YUAN has been engaged in clinical work for 20 years, including nearly 10 years in Class A tertiary hospitals. She has received training of the Emergency Branch of the Chinese Medical Association on pediatric advanced life support, neonatal neurobehavioral measurement, CDCC, infant heart scale and obtained the qualification certificates. Dr. YUAN specializes in 1) diagnosis and treatment of common pediatric diseases, especially children's respiratory tract diseases, digestive tract diseases, allergy, infectious diseases such as pneumonia, laryngitis, bronchitis, herpangina, sinusitis, acute and chronic diarrhea, abdominal pain, constipation, chickenpox, hand-foot-and-mouth disease, etc.; 2) Child health care, especially child growth and development monitoring, height management, feeding, nutrition, sleep, behavioral guidance, comprehensive assessment and promotion of early childhood development, children's emotion upbringing, social training, etc.