Early diabetes is mostly irreversible, and diabetes is usually incurable, but active control of blood glucose can bring diabetes into remission. The cause of diabetes is not clear, most people consider that genetic and pancreatic β-cell damage caused by pancreatic β-cell damage is usually irreversible, so most people with early diabetes are irreversible. Early diabetic patients can control their blood glucose within the normal range through diet and exercise or the use of hypoglycemic drugs. Patients with diabetes should take their medication as prescribed by their doctor and maintain a good routine. Early diabetes patients are advised to consult an endocrinologist for treatment under a doctor’s supervision.