The term “insulin” generally refers to subcutaneous insulin injections, and alcohol is not recommended for patients with subcutaneous insulin injections. First, patients who need to inject insulin are usually diabetic patients, diabetic patients need to control the total calorie intake, and alcohol contains a certain amount of calories, which is not conducive to diabetic patients’ blood sugar control. Secondly, drinking alcohol when injecting insulin may induce hypoglycemia, followed by weakness, pallor, cold sweat, hunger and other symptoms, and drunkenness will mask the symptoms of hypoglycemia leading to hypoglycemia patients can not be treated in a timely manner, it may induce hypoglycemic coma, and once hypoglycemic coma occurs there may be a fatal risk. Insulin injection patients should be under the guidance of a doctor to standardize the treatment.