There are no strict dietary contraindications for hypoglycemia, but it is recommended to eat foods high in sugar. Hypoglycemia is a group of clinical syndromes in which plasma or serum glucose levels are lowered due to a variety of etiological factors, thereby triggering corresponding signs and symptoms. When hypoglycemia attacks, the common symptoms of patients include palpitations, profuse sweating, tremor of limbs, pallor and other symptoms. There are no strict dietary contraindications for hypoglycemia. When hypoglycemia occurs, patients should take sugary drinks, eat candies, bread, cookies, etc.; for some of the patients with serious conditions, such as change in mental state, they need to consult a doctor for intravenous injection of 50% dextrose in a timely manner. For those who have repeated hypoglycemia, it is recommended to go to the hospital to find out the cause of the disease and treat the cause. When hypoglycemia occurs, patients should take food containing sugar in time, and seek medical treatment in time to clarify the cause.