Clinically, diabetic diet control is one of the most important and basic means of diabetes treatment, and its clinical benefits are as follows: 1, it is conducive to good glycemic control, delaying the occurrence of chronic complications of diabetes to avoid the occurrence of acute complications, strict dietary control of diabetic patients, controlling the intake of high-calorie, high-fat food is conducive to good glycemic control, stable glycemic control can delay the occurrence of diabetic The occurrence of chronic complications, such as delaying the occurrence of diabetic nephropathy, diabetic retinopathy and diabetic peripheral vascular disease, and good glycemic control and lifestyle can avoid the occurrence of acute complications, such as avoiding diabetic ketoacidosis and diabetic hyperglycemic hyperosmolarity. 2, good dietary control can control the weight of patients, and patients who reach the standard weight can reduce insulin resistance and insulinemia. The level of insulinemia can be reduced, thus reducing the degree of vascular atherosclerosis and delaying the occurrence of coronary heart disease and cerebral infarction to some extent.