People who regularly eat sugar also experience hypoglycemia, which may be due to the occurrence of diabetes, insulinoma, and non-pancreatic islet cell tumors. Hypoglycemia is a disorder of glucose metabolism in the body, and any disorder that causes a decrease in the source of blood glucose or an increase in the utilization of blood glucose and a malfunction in the regulation of the liver, the central nervous system, or the endocrine system can lead to the occurrence of hypoglycemia. Therefore, hypoglycemic reactions may also occur with regular consumption of sugar. The causes of hypoglycemia include diabetes mellitus, insulinoma, non-pancreatic islet cell tumors, the use of quinolones and other drugs, etc. It is recommended that the patient improve the relevant examinations, such as fasting blood glucose, postprandial blood glucose, glycosylated hemoglobin, pancreatic islet function tests. If the phenomenon of hypoglycemia occurs, it is recommended to go to the hospital in time.