Fasting blood glucose is higher than 2 hours postprandial blood glucose considerations may be impaired fasting blood glucose, Sumuje phenomenon, dawn phenomenon, etc., need to be under the guidance of the doctor for targeted treatment, such as Sumuje phenomenon should reduce the dose of drugs. 1. Impaired fasting blood glucose: Fasting blood glucose can be elevated but postprandial blood glucose is normal, which can be controlled by diet, active exercise, weight loss, reduce hepatic glucose output, reduce fasting blood glucose. 2. Soumoujie phenomenon: Soumoujie phenomenon is that the dose of hypoglycemic drugs is too large, and nighttime hypoglycemia leads to rebound elevation of fasting blood glucose, and the dose of hypoglycemic drugs should be reduced. 3. Dawn phenomenon: Dawn phenomenon means that the blood glucose control is stable at night, but the fasting blood glucose rises significantly in the morning under the effect of glucagon, and the dosage of hypoglycemic drugs should be increased in this kind of cases. If the fasting blood sugar is higher than the 2-hour postprandial blood sugar, it is recommended to go to the hospital and ask the doctor to make a judgment and give a treatment plan.