High blood sugar can be lowered, and the main ways to lower blood sugar are to make adjustments to lifestyle and dietary habits, to exercise therapy, and to take medications. The use of drugs to lower blood sugar is the main clinical measures, specific drugs include metformin and so on. Some hypoglycemic drugs can lower blood sugar by acting on pancreatic islet cells and increasing insulin secretion. Some drugs can be used to reduce postprandial hyperglycemia mainly by acting on the gastrointestinal tract and delaying the absorption of carbohydrates by the stomach and intestines. In life, you need to strictly control the intake of each meal and do aerobic exercise, such as walking and jogging, all of which can improve the body’s basal metabolic rate to lower blood sugar.