Hypoglycemic patients often have fatigue, need to clarify the cause, may be related to hypoglycemia or other causes such as malnutrition, endogenous insulin excess, etc., you can always have sugar cubes to relieve symptoms of hypoglycemia, and at the same time, actively treat the cause of the disease. 1. Hypoglycemia: if the patient is mild hypoglycemia, it can be relieved by oral sugar water or sugary drinks; if the effect is not good, or repeated hypoglycemic reactions such as fatigue, it is necessary to go to the hospital to apply glucose intravenously; if it is severe hypoglycemia, it is possible to apply some glucocorticosteroids to alleviate the symptom of fatigue, and at the same time, it is also possible to actively treat the cause of the disease. 2. Other causes: such as malnutrition, endogenous insulin excess. Malnutrition will have symptoms such as depression, weakness, fatigue, loss of appetite, etc. Patients should strengthen nutrition and avoid single diet; too much endogenous insulin will lead to lower blood glucose concentration and hypoglycemia, which needs to be treated under the guidance of doctors. Hypoglycemic patients with frequent fatigue, it is recommended to consult a doctor in time.