Disease analysis: The symptoms of hypoglycemia can be divided into acute hypoglycemia and subacute and slow hypoglycemia, with the specific manifestations as follows: 1. Patients with acute hypoglycemia and short course of disease are excited by sympathetic nerves, such as restlessness, hunger weakness, sweating, tachycardia, increased systolic blood pressure, decreased diastolic blood pressure, tremor, transient darkness, disturbance of consciousness and even coma. 2. Patients with subacute and chronic hypoglycemia are encephalopathy. However, every attack of the same patient often shows the same type of symptoms. Suggestion: Most patients show symptoms of cerebral cortex and/or cerebellum, such as headache, dizziness, anxiety, irritability, lethargy, inattention, disorientation, tremor, large or small attack, personality change (crying, noisy, scolding), weird behavior, ataxia, etc. , and finally become stiff.