Acarbose may have a variety of side effects after the drug is used, and the different body types of the drug users can not specify the specific maximum side effects, which may include gastrointestinal flatulence, diarrhea and so on. Acarbose is a commonly used hypoglycemic drug, mainly in conjunction with dietary control, for blood sugar control in type 2 diabetes mellitus. Contraindications to the drug include hypersensitivity to the product, severe hepatic and renal impairment, chronic gastrointestinal dysfunction with significant digestive and absorption disorders, patients with disorders that may worsen due to intestinal flatulence, and diabetic ketoacidosis. Common adverse reactions to the drug include flatulence, diarrhea, abdominal pain, rarely nausea, vomiting, dyspepsia, elevated liver enzymes, rare edema, jaundice, and also thrombocytopenia, allergic reactions (rash, erythema, urticaria), incomplete intestinal obstruction, intestinal obstruction or cystic pneumatosis of the intestinal wall, hepatitis. The occurrence and severity of the above side effects may vary depending on the individual user, so it is not possible to determine which side effect is the most severe. The specific use of the drug should be carried out under the guidance of a specialist, and should not be used without authorization.