Glucose tolerance during pregnancy refers to the glucose tolerance test during pregnancy, glucose tolerance 2-hour glucose is high, if the blood glucose > 8.5 mmol / L can be diagnosed as gestational diabetes mellitus. Gestational diabetes mellitus patients need to control blood glucose through diet and exercise under the guidance of doctors. If they still do not reach the standard, they need to give insulin treatment. 1. Dietary regulation: small and frequent meals should be taken during pregnancy, as too much food intake at one time will cause a sudden rise in blood sugar. You can eat some coarse grains, eat more vegetables, eat less greasy food, and try not to eat fruits with high sugar content, such as watermelon, grapes, oranges and so on. 2. Appropriate exercise: pregnant patients should combine their own situation with appropriate exercise, such as walking, yoga and so on. Appropriate exercise is conducive to blood sugar control. 3. Insulin therapy: If the glucose tolerance 2-hour glucose high pregnant women, through dietary adjustments and appropriate exercise, blood glucose is still not improved, you need to be guided by a doctor for subcutaneous insulin injection therapy to control blood glucose, do not blindly self-medication, so as not to lead to adverse consequences. It is recommended that pregnant women with gestational diabetes actively cooperate with the doctor and follow the doctor’s instructions for targeted treatment. In daily life, pay attention to maintain small meals, eat more vegetables, low sugar and low fat diet.