Patients with hypoglycemia are commonly affected by inadequate diet, excessive physical exercise, drug-related hypoglycemia, and hypoglycemia caused by other diseases. When hypoglycemia strikes, it is necessary to replenish sugar in time, and it can be regulated by changing dietary habits, reasonable exercise, reasonable application of medicines, and treatment of primary diseases on weekdays, and it is recommended to follow the doctor’s advice for treatment. 1. Changing dietary habits: Hypoglycemic patients are recommended to take a small number of meals, pay attention to the matching, balanced nutrition, and can consume some sugary, carbohydrate-rich foods such as rice in moderation. Carry with you snacks such as sugar cubes, cookies and breads in case of emergency. 2. Reasonable exercise: Avoid exercising on an empty stomach, and eat sweets before and after exercise to replenish energy and prevent hypoglycemia. The intensity of exercise should be appropriate and not excessive. 3. Reasonable application of drugs: If diabetic patients take hypoglycemic drugs such as nateglinide, gliclazide, etc. or inject insulin improperly, it may cause hypoglycemia. Reasonable use of medication should be under the guidance of a professional doctor. 4. Treatment of primary diseases: Certain diseases such as tumor, liver failure, sepsis, etc. can also lead to hypoglycemia, so it is necessary to treat the primary diseases and monitor blood glucose in time. Patients with repeated episodes of hypoglycemia should drink sugar water, eat sugar cubes and other supplemental sugar, go to the hospital for examination as soon as possible to find out the cause of the disease, and regulate blood sugar under the guidance of doctors.