The blood sugar peak is delayed to 2 hours, first of all, it is necessary to clarify whether there is diabetes or not. If you don’t have diabetes and are merely pre-diabetic, you can improve through diet and exercise, but if you are diagnosed with diabetes, you need to control it not only through diet and exercise, but also oral medication such as metformin. 1. Diet: Diet should reduce the intake of carbohydrates, such as corn, rice, potatoes and sweet potatoes, etc. These foods are digested more quickly, which can easily cause postprandial blood glucose increase, so you need to reduce the intake. 2. Exercise: Exercise is mainly to increase insulin sensitivity, under normal circumstances, exercise for about half an hour after meals, can promote the utilization of blood glucose, and improve the effect of postprandial hyperglycemia. 3. Drugs: In addition to paying attention to diet and exercise, diabetic patients also need to take glucose-lowering drugs, such as metformin hydrochloride extended-release tablets, acarbose, etc., in strict accordance with medical advice. High blood sugar must be taken seriously, and to seek medical attention in a timely manner, a clear diagnosis, standardized treatment under the guidance of the doctor.