Fasting and postprandial blood glucose are both high and have been applying glycemic insulin control, it is necessary to increase the dosage adjustment, but the adjustment of the drug dosage needs to be carried out under the guidance of the doctor. During the application of insulin glycemic control, fasting and postprandial blood glucose are found to be high, indicating that the overall blood glucose control is unstable and the dosage of the drug is not reasonable. Under the guidance of the doctor, the medication should be adjusted accordingly, and the dosage should be increased appropriately, during which the fasting blood glucose and postprandial blood glucose should be measured several times to judge the dosage of the medication. If you find abnormal blood glucose condition, it is recommended to consult a doctor in time to diagnose the specific condition and then standardize the treatment under the doctor’s guidance, so as to avoid the delay of the condition.