Many diabetic patients have medication that has very serious consequences if they stop taking it on their own. Patients using oral hypoglycemic drugs alone may not be so significantly affected by blood glucose fluctuations, but a few days after stopping the medication the whole blood glucose will increase significantly, in this case it will easily induce acute complications, such as ketoacidosis, hyperosmolar coma, patients will have obvious symptoms of dry mouth, excessive drinking, polyuria, and in some cases combined with dizziness and coma. If insulin is used, the consequences of stopping the medication by oneself will be even more serious, because patients using insulin often indicate that their own pancreatic islet function is relatively deficient, and if insulin is stopped in this case, the patient’s blood glucose will rise sharply within a short period of time, because insulin is a life hormone for patients, and in this case, the sharply increased blood glucose will lead to a significant increase in plasma osmolality, and the patient’s brain function and heart function will increase. The patient’s brain function and heart function will be significantly abnormal, and the patient may experience coma and severe metabolic acidosis within a short period of time, which may even be life-threatening, so the patient should not stop the medication on his own.