Children can have type 1 diabetes, which is mainly treated with insulin. Some children may also develop type 2 diabetes. It is currently believed that type 1 diabetes in children is based on genetic susceptibility, external environmental factors [chemical and/or viral] triggered by autoimmune dysfunction, resulting in damage and destruction of pancreatic islet β-cells, resulting in absolute deficiency of insulin secretion and the need for lifelong insulin replacement therapy. Children with type 2 diabetes, most of the children are obese, the onset of the disease is more insidious. the clinical manifestations of children with type 2 diabetes vary in severity, the lightweight only obesity, often found in the physical examination of high blood sugar or urine sugar positive, the heavier can appear ketoacidosis, or even ketoacidosis. If a child suffers from diabetes, it is recommended that treatment be carried out under the guidance of a doctor.