Gestational diabetes mellitus is a condition in which glucose metabolism is normal or potentially hypoglycemic before pregnancy and diabetes develops during pregnancy. Although the risk of gestational diabetes is much less than that of combined diabetes, it still poses a significant health risk to the pregnant woman and her fetus. Although most gestational diabetes can return to normal blood glucose at the end of pregnancy, it also increases the risk of developing diabetes in the distant future. Pregnant mothers with gestational diabetes can try to achieve the effect of sugar control through diet control and moderate exercise: (1) moderate exercise and reasonable weight gain: sugar mothers with normal pre-pregnancy weight should gain 11.5kg-16kg throughout pregnancy. For low weight before pregnancy, a weight gain of 12.5-18kg during pregnancy is appropriate. If you are overweight or obese before pregnancy, a weight gain of 7-11.5kg is appropriate during pregnancy. Usually you can moderate some walking, upper limb exercise, stair climbing and other exercises, should not be strenuous, not easy too fast. (2) Regular rationing, balanced nutrition: reduce the intake of food processed too fine, these foods will accelerate the rise of blood sugar, take more coarse grains, vegetables, fish and poultry, remember too greasy. It is not impossible to take in sugar either. Patients with high blood sugar can also take in about 25g of sugar daily to maintain the balance required by the body. (3) Regularly test your blood glucose to make sure you have a good idea. It is best for pregnant mothers to seek individualized nutritional programs at the hospital’s nutrition department, which can help to better control blood sugar and give birth to a healthy baby.