Postprandial blood glucose is generally referred to as two hours postprandial blood glucose, two hours postprandial blood glucose 12mmol/L is high, can be seen in diabetes mellitus, pancreatitis, Cushing’s syndrome and other diseases, in most cases need to take medication. The normal range of two-hour postprandial blood glucose should be less than 7.8mmol/L, and more than 11.1mmol/L is the diagnosis of diabetes. Once diagnosed with diabetes, you need to take medication as prescribed by your doctor, such as metformin, etc. Failure to take medication may cause the blood sugar to continue to rise, which affects the patient’s health. If you do not want to take medication, you can take insulin injections as prescribed by your doctor. In addition, elevated blood glucose can also be seen in Cushing’s syndrome, pancreatitis and other diseases and stress, usually need to be treated with medication. Patients with postprandial blood glucose of 12 mmol/L are advised to go to the hospital as soon as possible for a doctor’s judgment and treatment plan.