To control the diet of diabetic patients need to do to control the total calories of daily food, at the same time to do three meals regularly, regular and quantitative, but also pay attention to do to control the order of meals and food matching. 1. Strictly control the total daily calorie intake: diabetic patients should pay attention to food diversification, balance, nutrition, to avoid single food leading to malnutrition, strict control of carbohydrates, as well as high-calorie, high-fat food intake, appropriate increase in protein and vegetable intake, to avoid congee and fried food. 2. Regular meals, regular and quantitative: the interval between meals should not be too short or too long, the general interval of 5-6 hours is appropriate. Meal time should not be too short, it is recommended to eat at least 20 minutes, chew slowly, avoid swallowing, in order to avoid excessive intake of calories and lead to poor blood sugar control. 3. Pay attention to the order of meals and food matching: it is recommended to eat vegetables and protein foods first, followed by carbohydrates, which can better delay the absorption of glucose, and avoid excessive intake of carbohydrates that may cause postprandial glucose elevation. If you feel unwell, you should consult a doctor.