Hypoglycemic reaction may be caused by strenuous exercise, and may be caused by too many doses of oral hypoglycemic drugs, but also acute diarrhea and other relationships, it is recommended that the occurrence of hypoglycemia, timely medical attention. 1. Strenuous exercise: many diabetic patients due to strenuous exercise, the body’s insulin secretion increases, and then cause hypoglycemic reaction. Panic, hunger, dizziness, weakness of the limbs and other manifestations may occur. It is recommended that patients stop exercising immediately and take some sugary food at the same time, and the symptoms of hypoglycemia can usually be relieved. 2. Oral hypoglycemic drugs: Hypoglycemia may occur if the patient takes more than the usual dose of hypoglycemic drugs. If the blood glucose level is in the normal range, generally do not need to be treated. If the blood glucose is very low and has been significantly lower than the normal range, the patient needs to reduce the dosage of medication under the guidance of the doctor or stop using the medication, so as not to lower the blood glucose again. 3. Acute diarrhea: After acute diarrhea occurs in patients with hyperglycemia, they will usually reduce the amount of food or eat fluids, and if they use drugs or insulin according to the original method, it is easy to lead to low blood glucose. Therefore, when acute diarrhea occurs in patients with hyperglycemia, the amount of medication should be adjusted in time according to the physical condition. It is recommended that after the phenomenon of hypoglycemia in patients with hyperglycemia, they should go to the hospital in time to find out the cause and actively treat the symptoms to avoid causing secondary damage.