Clinical generally through scientific and reasonable diet, the application of hypoglycemic drugs, appropriate exercise exercise and other methods to quickly and effectively reduce blood sugar. 1. Scientific and reasonable diet: scientific diet for diabetic patients is very important, if the daily diet is not taboo, it will lead to unsatisfactory control of blood sugar. Patients should eat a low-salt, low-fat, low-sugar diet, eat small, frequent meals, not too full at one time, adjust the amount of food for the day according to the blood glucose level, and give priority to low-glycemic index foods such as cherries, green beans, and so on. 2. Medication: patients can apply metformin tablets, gliclazide tablets and other hypoglycemic drugs under the guidance of physicians according to their condition and physical fitness, as well as subcutaneous injection of insulin to lower blood glucose. 3. Appropriate exercise: Exercise is an important way to lower and stabilize blood sugar, daily aerobic exercise, such as tai chi, swimming, slow walking, etc., but need to avoid high-intensity strenuous exercise, so as not to cause discomfort. Elevated blood sugar, patients need to go to the regular hospital endocrinology department, under the guidance of the physician application of drug therapy.