Fasting blood glucose of 7.4 mmol/L is higher than the normal blood glucose range for pregnant women during pregnancy, which carries a certain risk and requires active control. Normal adult fasting blood glucose is 3.9~6.1mmol/L. For the diagnosis of gestational diabetes mellitus, fasting and blood glucose values at 1 hour and 2 hours after sugar intake, any of which reaches or exceeds 5.1mmol/L, 10.01mmol/L, and 8.5mmol/L, respectively, is sufficient for the diagnosis of gestational diabetes mellitus. Therefore, for pregnant women with fasting blood glucose 7.4mmol/L, whether it is diabetes with pregnancy, or gestational diabetes, it is high, and it is recommended to actively take dietary control, appropriate exercise, oral hypoglycemic drugs such as metformin to treat. Pregnant women with blood glucose abnormalities, it is recommended to seek medical attention in a timely manner, and medications should be used under the guidance of a medical professional.