Pregnant women with gestational diabetes who are constipated, the first aspect, to make adjustments from the diet, eat more food rich in fiber, such as some of the lower sugar content of fresh vegetables, like cucumbers, tomatoes, cabbage, greens, lettuce, bitter melon, mushrooms and so on. Appropriate fruit intake is also beneficial to relieve constipation, but diabetic patients should eat pineapple, pears, cherries, prunes, lemons and other fruits with lower sugar content, dates, sugar cane, hawthorn and other fruits with higher sugar content are best not to eat. The second aspect, drink more water, the appropriate morning drink salt water can also accelerate intestinal peristalsis, to develop good defecation habits. The third aspect, appropriate exercise, do some walking, light soothing exercise can also accelerate intestinal peristalsis. On the basis of diet and exercise, constipation still can not be relieved, you can consider oral medication. The recommended medication for constipation in pregnant women with gestational diabetes is Lactulose Oral Liquid, although lactulose is a kind of disaccharide containing sweet flavor, but it will not be absorbed by the gastrointestinal tract into the bloodstream, so it will not cause an increase in blood sugar.