The 68-year-old diabetic elderly should pay attention to dietary control of total calories, more intake of meat, eggs, milk and other high-quality protein. 68-year-old diabetic elderly should be reasonable control of total calories, in order to ensure that the intake of carbohydrates at the same time should choose a low glycemic index of food, such as choosing quinoa, pasta and so on as the staple food, more vegetables and fruits, choose the intake of high-quality proteins, such as meat, eggs, milk, etc., to reduce the fat and cholesterol intake, the calories of the three meals a day can be allocated to the pattern of 1 / 5, 2 / 5, 2 / 5. Elderly diabetic patients also need to be treated with hypoglycemic drugs under the guidance of their doctors. If their blood sugar control is not good, they can go to the hospital to adjust their medication under the guidance of their doctors.