Acarbose tablets can not be casually discontinued after use, if the blood sugar remains stable for a long time, it is recommended to consult a professional doctor, you can gradually reduce the dosage of the drug under the guidance of the physician. Acarbose belongs to the alpha-glucosidase inhibitor, is an oral hypoglycemic drug, can be combined with other oral hypoglycemic drugs or insulin in insulin-dependent or non-insulin-dependent diabetes mellitus. Acarbose delays the absorption of carbohydrates and lowers postprandial blood glucose, and is mainly indicated for diabetic patients whose diet consists mainly of carbohydrates or who have high postprandial blood glucose. In addition, Acarbose needs to be used with diet and exercise therapy during the medication, maintaining balanced nutrition on a daily basis, choosing a low-salt, low-fat, low-sugar diet, avoiding fried, high-sugar foods, and with moderate aerobic exercise. The dosage adjustment of acarbose tablets needs to be taken under the guidance of a doctor, and can not stop and reduce the drug on its own.