Baisipin is the trade name, the generic name is acarbose tablets, if there is no contraindication to the application of acarbose tablets, high blood glucose after lunch can be added to acarbose, which can effectively control the blood glucose level, but need to be applied under the guidance of a doctor. Acarbose tablets belong to a kind of α-glucosidase inhibitor, is an effective treatment of type 2 diabetes mellitus, mainly for slowing down the absorption of glucose from food in the small intestine, but also have to ease the degradation and absorption of glucose in carbohydrates, and then reduce the postprandial glucose in patients with impaired glucose tolerance. Patients may experience bloating, diarrhea, abdominal pain, nausea, vomiting, and dizziness after taking acarbose. Contraindications include hypersensitivity to acarbose, patients with chronic gastrointestinal dysfunction with significant digestive and absorption disorders, patients with severe hiatus hernia, intestinal obstruction and intestinal ulcers, and patients with severe renal impairment. Therefore, the use of medication should be rationally selected under the advice and guidance of the doctor, do not take medication without authorization or increase or decrease the dosage, and do regular blood glucose rechecks.