Low fasting blood glucose in the morning needs to be treated, if it is mild, oral glucose water or sugary food, if it is severe, especially with mental changes in patients need to intravenous glucose, and promptly sent to the hospital, in order to clarify the cause of the disease. If the patient who suffers from diabetes, when using oral hypoglycemic drugs or insulin for treatment, the dosage of drugs used at night is too large, and there is a situation of low fasting blood glucose, the dosage of hypoglycemic drugs must be adjusted under the guidance of the doctor. Pancreatic islet cell tumor can cause fasting hypoglycemia, and this condition needs to be considered for surgical treatment according to one’s condition. If the hypoglycemia is caused by hepatic, renal, cardiac and other diseases, you need to actively treat the primary disease. There is also a large amount of exercise at night consume too much glucose, the morning did not timely replenish the energy, may appear fasting low blood sugar level, this time by replenishing the energy to alleviate the symptoms. Causes of low fasting blood glucose in the morning are more reasons, need to supplement glucose, timely to the hospital, after the doctor’s interview, according to the causes of low fasting blood glucose to formulate a suitable program.