High fasting blood glucose in pregnancy may be caused by gestational diabetes mellitus, and the treatments include exercise therapy, diet therapy, blood glucose monitoring, and medication. 1. Exercise therapy: It is one of the measures of comprehensive treatment for gestational diabetes patients, which can reduce insulin resistance during pregnancy, and it is recommended to choose suitable exercises for yourself, such as walking, playing ball games, yoga and so on. 2. Dietary treatment: Calculate the total calories needed per day, arrange meals reasonably, eat regularly, ensure the intake of high-quality protein, such as milk, soy products, etc., and limit the sugar-containing beverages, French fries, fried chicken and other high-sugar and high-fat foods. 3. Blood glucose monitoring: patients with gestational diabetes should do a good job of blood glucose monitoring, which helps to adjust the medication according to the results of blood glucose measurement. 4. Medication: If blood glucose rises during pregnancy and cannot be controlled by diet and exercise, insulin can be used to treat the condition, such as Mentholatum insulin and Ditropan insulin, etc. If fasting blood glucose is high, patients with gestational diabetes should be treated with insulin. Pregnant patients with high fasting blood glucose should be treated under doctor’s guidance.