Hypoglycemia in the elderly may be caused by improper diet, increased physical activity, improper use of hypoglycemic drugs, etc. Weekday management should pay attention to regular diet, moderate exercise, the elderly suffering from diabetes mellitus should be standardized use of hypoglycemic drugs under the guidance of a doctor, may be appropriate to relax the goal of glycemic control. Hypoglycemic episodes should be supplemented with sugary foods in a timely manner, and comatose patients need to be infused with glucose. 1. Improper diet, increased physical activity: weekday regulation should pay attention to regular eating habits, avoid excessive dieting, moderate exercise, you can carry sugary foods, with hunger or increased activity can be consumed in moderation. 2. Elderly diabetes mellitus: If the dose is too large or the method of taking is not proper in the process of hypoglycemic treatment, it can lead to hypoglycemia. Glucose-lowering drugs should be standardized under doctor’s guidance. Since elderly diabetic patients have a high risk of hypoglycemia and have poor perception of hypoglycemia, it is not easy to detect hypoglycemia after it occurs, so the blood glucose control target should be relaxed appropriately. 3. Hypoglycemic episodes: once the symptoms of hypoglycemia appear, sugar water or sugary food should be given in time. If the symptoms don’t get better or aggravate significantly, it is recommended to consult a doctor in time for intravenous glucose infusion. Hypoglycemia in the elderly is recommended to go to the hospital.