The 2-hour postprandial blood glucose should be less than 7.8mmol/l, the 2-hour postprandial blood glucose 8.6mmol/l does not belong to the normal condition, the general population belongs to the impaired glucose tolerance, and during pregnancy belongs to the diabetic condition, which needs to be controlled. 1. Normal people’s 2-hour postprandial blood glucose should be controlled at 7.8mmol/l or less, between 7.8~11.1mmol/l belongs to the postprandial glucose tolerance is impaired a manifestation of the need to combine with the fasting blood glucose to determine the specific situation. 2. Pregnant women should take oral glucose tolerance test at 24~28 weeks, if 2 hours postprandial blood glucose ≥8.5mmol/l, then it will be considered to diagnose gestational diabetes mellitus, and the current result is 8.6mmol/l which is consistent with gestational diabetes mellitus, and it needs to be treated under the guidance of the doctor. If the 2-hour postprandial blood glucose is high and accompanied by obvious diabetes-related symptoms, it is necessary to consult a doctor in time for observation and standardized treatment under the guidance of a clinician after diagnosis of the condition to avoid delaying the condition.