How much postprandial blood sugar is the normal value often compared to the general population rather than pregnant women, specifically the following points: 1, two hours after meal blood sugar ≤ 7.8mmol/L is normal; 2, three hours after meal blood sugar often returns to the blood sugar before the next meal, generally need to be lower than the level of 7.0mmol/L; 3, for pregnant women, fasting blood sugar ≤ 5.1mmol/L, two hours after meal blood sugar ≤8.5mmol/L and 1-hour blood sugar ≤10.0mmol/L are normal values. The normal value of blood sugar for pregnant women, both fasting and postprandial, is stricter and lower than normal people.