Fasting blood glucose of 5.8mmol/L is generally normal; it is considered to be in compliance with glycemic control for diabetic patients; however, it is on the high side in pregnant women and is not normal. Fasting blood glucose 3.9-6.0 mmol/L is normal. For diabetic patients, the goal of glycemic control is generally in the fasting blood glucose 4.4mmol / L ~ 7.0mmol / L. So the fasting blood glucose is 5.8mmol / L, is normal blood glucose. It also needs to be combined with the 2-hour postprandial blood glucose, glycated hemoglobin and other indicators of comprehensive diagnosis. However, for pregnant women, the fasting blood glucose value should not exceed 5.1mmol/L. 5.8mmol/L is abnormal, belongs to high, and should be timely intervention. It is recommended to improve the relevant examination and regular physical examination.