Taking 4 units of insulin with glucagon can be used for a long period of time if the blood sugar can be controlled satisfactorily, and the risk of hypoglycemia is relatively small. If the effect of glycemic control is not good, the dosage needs to be adjusted or the type of medication needs to be changed, which should be decided according to the individual’s situation under the guidance of the doctor. Glucagon is a long-acting insulin commonly used in clinical practice, which can provide basal insulin level for diabetic patients and the risk of hypoglycemia after injection is relatively small. It is particularly suitable for people whose blood glucose is not too high or prone to hypoglycemia, such as elderly diabetic patients. The dosage of glucagon insulin needs to be determined according to your own situation. Monitor your blood sugar fluctuations regularly, and if your blood sugar is unstable, you need to adjust the dosage or change the medication under the guidance of your doctor. The common adverse effects of long-term insulin injection are hypoglycemic reaction, there will also be allergic reaction, edema, weight gain, refractive error, as well as redness, swelling and warmth of the skin at the site of injection, and long-term injection in the same area may lead to lipoatrophy. Glycine insulin should be used under the guidance of a doctor, and it is recommended to use it regularly, not to stop or reduce the dosage casually, and to monitor blood glucose closely and adjust the dosage according to the blood glucose situation.