Dr. DING Jiafeng graduated from Zhejiang University School of Medicine with 20 years of clinical work experience. He is advocating the concept of scientific parenting and evidence-based medicine, and is currently a specialist in pediatrics audit for DX Doctor. Dr.Ding is determined to protect the healthy growth of every child, which made him much loved by parents and children and has been named Smile Star of the Year for many years. Dr. Ding is highly skilled at the evaluation of growth and development of children under 14 years of age, he is also experienced in diagnosis and treatment of the height and sexual development of children, infectious diseases (such as infectious diarrhea, rhinitis, sinusitis, and respiratory tract infection), allergic diseases (such as urticaria, eczema, allergic enteritis, and allergic rhinitis).