Blood sugar may rise in diabetics who drink alcohol. Alcohol contains a large number of calories, if diabetic patients in the full state of drinking alcohol, the carbohydrate in the alcohol into the body to decompose, may cause blood glucose rise, long-term drinking alcohol can lead to poor blood sugar control. If diabetic patients drink alcohol in fasting state may cause hypoglycemia, especially after drunkenness will mask the symptoms of hypoglycemia, resulting in hypoglycemia is not timely detection and treatment, and may even cause the patient’s death. Therefore, it is not recommended that diabetic patients drink alcohol, patients with diabetes should also be standardized treatment under the guidance of the doctor.