If hypoglycemia occurs, attention can be paid to the following three aspects: First, if conditions are available, immediately test the rapid blood sugar and measure the fingertip blood sugar to determine whether it is hypoglycemia or the severity of hypoglycemia. Second, correct the symptoms of hypoglycemia as early as possible, consider eating, such as drinking sugar water as well as eating food with high sugar content such as cookies and chocolate, and retest the blood sugar after 3-5 minutes. If patients appear coma and eating disorder, they should keep the side lying position, ensure the respiratory tract is open, and send to the doctor in time is a more suitable choice. Third, treat the cause of hypoglycemia, analyze the cause of hypoglycemia after correcting hypoglycemia, such as some patients have liver insufficiency, kidney insufficiency or drink a lot of alcohol, and some patients are caused by eating a lot of lychee and other foods, treat the cause to avoid The cause of hypoglycemia should be treated to avoid the occurrence of hypoglycemia again.