Medical nutrition therapy for type 2 diabetes is the basic management of diabetic patients. Energy intake should be determined, various nutrients should be distributed in a reasonable and balanced way, and ideal body weight should be restored. 1. Reasonable control of total calories: control the total energy intake, obese people should be reduced, lean people should be increased, restored to the ideal body weight, according to whether physical labor for energy intake. 2. Nutrient distribution: Diet should ensure that the intake of carbohydrates, need to account for 50% to 60% of the total calories, protein intake should account for 15% to 20% of the total calories, fat intake should be less than 30% of the total calories, and eat more food rich in dietary fiber. 3. Reasonable meal allocation: you should eat regularly, not overeat, eat according to the plan, regular and quantitative, and develop good eating habits. Patients with type 2 diabetes should follow the doctor’s instructions for treatment, and at the same time need to regularly monitor blood glucose, if any discomfort to consult a doctor in a timely manner.