Hungry hands shake the most common cause of hypoglycemia, in addition to hand shaking can also be accompanied by panic, sweating, dizziness, blackness and other symptoms, after eating or oral sugar cubes after the blood glucose can be significantly rebound, hypoglycemia symptoms disappear. Occasionally, it is not a big problem, no need to be overly nervous, usually should pay attention to regular diet, don’t be hungry and full. If it occurs frequently, you should further improve the relevant examination and clarify the cause of hypoglycemia. Common causes of hypoglycemia include islet cell tumors, hypoglycemic drugs, or overdose of insulin. Islet cell tumors can secrete too much insulin and are not subject to the control of the negative feedback mechanism of insulin, which leads to the occurrence of hypoglycemia. Patients with diabetes may also experience hypoglycemia when taking oral hypoglycemic drugs or overdosing on insulin. It is recommended that patients go to the hospital and adjust the usage and dosage of the drugs.