1. According to the doctor's website, Ning Guang, the chief physician, is good at endocrinology in Ruijin Hospital (3A) affiliated to Shanghai Jiaotong University School of Medicine, including intractable diseases of endocrine and metabolic diseases, including blood sugar control and diabetic complications. Wang Shu, chief physician of Endocrinology Department of Ruijin Hospital affiliated to Shanghai Jiaotong University School of Medicine, specializes in the diagnosis and treatment of endocrine-related diseases such as diabetes and hyperthyroidism.