The danger of hypoglycemia is not inferior to that of hyperglycemia, and sometimes asymptomatic hypoglycemia is easy to attack coma unknowingly, even more dangerous than hyperglycemia. Sympathetic nerve excitation easily occurs in hypoglycemia, resulting in panic, hand trembling, dizziness, hunger as well as sweating and weakness, etc. In serious cases, it may cause abnormal brain function, blurred consciousness and drowsiness, coma and other symptoms. Hypoglycemia in the elderly can easily cause heart rate disorders, angina pectoris, myocardial infarction, etc. Prolonged hypoglycemia can reduce intelligence and cause dementia. Hypoglycemia is most common among diabetic patients. In the occurrence of hypoglycemia try to use monosaccharide food to rescue quickly, if you choose rice flour type, bun type staple food, the effect will be slower, hypoglycemia is easy to occur in the diet too little, after drinking alcohol, after exercise, when losing weight, etc., the attack should be rescued by timely supplementation of sugar, juice, etc.