Diabetic patients can be treated by controlling diet, increasing exercise and using medication as prescribed by the doctor. 1. Diet control: diabetic patients should strictly control the diet, calculate the total daily food calories, regular meals, strictly control the intake of sucrose, fructose products (such as corn syrup). Diabetic patients with a sweet tooth can be appropriate intake of sugar alcohols and non-nutritive sweeteners. 2. Increase exercise: Regular exercise can increase insulin sensitivity, improve quality of life and help control blood sugar. It is recommended that no less than 150 minutes of aerobic exercise per week, including swimming, jogging, fast walking, cycling and so on. 3. Medication: On the basis of diet control and increased exercise, metformin, acarbose, insulin, etc. can be used for treatment as prescribed by the doctor. Diabetic patients are recommended to go to the hospital for consultation and standardized treatment under the guidance of professional doctors.