43 years old 2 hours postprandial blood glucose 8.3mmol / L is normal need to be specifically analyzed, diabetic patients 2 hours postprandial blood glucose 8.3mmol / L belongs to the acceptable range, the rest of the population is generally not normal, it may be diabetes. 1. Patients have been diagnosed with diabetes, regardless of the use of oral hypoglycemic drugs or insulin hypoglycemic therapy, postprandial blood glucose 8.3mmol / L belongs to the acceptable range, if the patient is accompanied by acute cerebral infarction, or acute coronary syndromes, etc., can be further relaxation of blood glucose control. 2. The patient has not been diagnosed with diabetes mellitus. 43-year-old postprandial blood glucose 8.3mmol/L, it is recommended that the patient needs to carry out a glucose tolerance test examination, to clarify the existence of type 2 diabetes mellitus. It is recommended that middle-aged patients with high blood glucose need to consult the endocrinology department and be treated under the guidance of a doctor.