After pregnancy, intestinal peristalsis and intestinal tension are weakened, and pregnant women exercise less during this period, so they are more prone to constipation. Specific treatment is as follows: 1, to develop a good habit of daily bowel movements on time; 2, appropriate outdoor exercise; 3, eat more vegetables, fruits and other foods containing high fiber, including whole wheat bread, celery, carrots, white potatoes, potatoes, bean sprouts, cauliflower, etc.; 4, if the diet can not be adjusted, if necessary, laxatives or lactulose; 5, the constipation can not be solved with medication, if necessary, the use of open plug and Glycerin suppositories, but be cautious; magnesium sulfate is prohibited during pregnancy, avoid enemas, so as not to cause miscarriage or premature delivery.