High blood sugar and constipation during pregnancy can be treated through dietary guidance, appropriate exercise and medication if necessary. 1. Dietary guidance: for pregnant women with high blood glucose during pregnancy, it is recommended to eat less and more meals, three meals a day, and two to three additional meals, increase the intake of lean meat, deep-sea fish and shrimp, dairy products, fresh vegetables, and add an appropriate amount of fruit, of which the vegetables are also conducive to the resolution of constipation, and it is recommended that at least 1,500 to 2,000 ml of water intake per day. 2. Appropriate exercise: not only can increase intestinal peristalsis, but also can alleviate insulin resistance and reduce blood glucose, if there is no contraindication to exercise, it is recommended that at least 5 days of moderate-intensity exercise during pregnancy, aerobic exercise and resistance exercise can be, such as walking, walking, swimming, stationary bicycle and so on. 3. Medication: For pregnant women with elevated blood glucose during pregnancy, regular monitoring of fasting and postprandial blood glucose should be carried out on the basis of diet and exercise; if blood glucose control is still unsatisfactory, insulin should be added under the guidance of endocrinologists to control blood glucose. Constipation can be applied lactulose diarrhea, which will not cause an increase in blood sugar. If you have high blood sugar and constipation during pregnancy, you can consult a doctor for treatment under his guidance.