Postprandial blood glucose generally refers to 2 hours after meal blood glucose, whether 10.0mmol/L is high or not, different people have different judgment methods, should be judged according to the different test objects, whether it is an abnormal situation. 1, general population: ordinary people 2 hours after meal blood glucose 10.0mmol/L, belongs to abnormal state, higher than normal value, but does not reach the diagnosis standard of diabetes, at this time can be done by doing Glucose tolerance test to check the reserve function of the body’s pancreatic islets, usually abnormal glucose tolerance has occurred. In daily life, we should pay attention to diet, eat less food with high sugar, high fat and high oil, and eat more grains and cereals rich in dietary fiber; 2. Pregnant women: 2 hours postprandial blood sugar should not exceed 8.5mmol/L in pregnant women, so 2 hours postprandial blood sugar 10.0mmol/L is abnormal and can be diagnosed as gestational diabetes; 3. Diabetic patients: 2 hours postprandial blood sugar in young diabetic patients blood sugar 10.0mmol/L is a bit high, and should control the 2 hours postprandial blood sugar at about 8.5mmol/L. In the case of elderly diabetic patients with many complications, such as myocardial infarction, hyperlipidemia, cerebral hemorrhage and impaired consciousness, and those with inconvenient mobility or inconvenient exercise, the patient’s 2-hour postprandial blood sugar at 10.0mmol/L can be regarded as normal.