Slightly high fasting blood glucose in pregnant women may be caused by hormonal changes in the body, improper diet, etc. It can be relieved by dietary adjustments, moderate exercise, and the use of medication. Pregnant women during pregnancy, the body’s estrogen and progesterone secretion increases, the late pregnancy placenta will also secrete antagonistic insulin growth factors, resulting in abnormal glucose metabolism, thus appearing in pregnant women fasting blood sugar slightly higher. At this time, pregnant women should pay attention to reduce the intake of sugary foods, and maintain a good mood. If a pregnant woman has an inappropriate diet and consumes too many sweets and staple foods, it may lead to an increase in the amount of sugar in the blood, causing a slight high fasting blood sugar. At this time, pregnant women should adjust their diet, reduce the intake of food with high sugar content, and combined with appropriate exercise, can improve the situation of slightly high fasting blood sugar. If a pregnant woman’s fasting blood sugar is slightly high, through the above methods failed to alleviate the situation, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, symptomatic treatment.