Constipation is a common phenomenon in pregnant women. Progesterone can relax the intestinal muscles and slow down the bowel movement during pregnancy; less exercise; more refined diet with less crude fiber; nausea and vomiting in early pregnancy, which affects eating and other factors can lead to constipation. This is especially true for women who have constipation or tendency to constipation before pregnancy. Constipation during pregnancy has a big impact on pregnant women. The pressure in the abdominal cavity is higher during late pregnancy and the blood flow in the pelvic floor is stagnant, which can easily lead to bleeding internal hemorrhoids or anal fissures. Therefore, constipation in pregnant women should be dealt with as much as possible and achieve a smooth bowel movement. First of all, you should pay attention to the dietary regulation of constipation, eat more fresh fruits and vegetables, the daily intake of dietary fiber should be 20~30g, drink more water, 1500ml per day, and do more exercises within your ability, such as walking, etc. Live a regular life and develop the habit of regular bowel movement. Those who are chronically constipated should consult a doctor and have relevant tests to rule out organic diseases in the intestinal tract before pregnancy. Eat more vegetables rich in fiber such as celery, cabbage, spinach, etc. Fruits such as pears, apples, watermelon, bananas can laxative, eat more grains and cereals, and less spicy and stimulating food. Drink a lot of water, you can add some honey, master the skills of drinking water, such as drinking water at a fixed time every day, and drink in large gulps, such a method of drinking water can let the water reach the colon as soon as possible, can make the stool become soft, easy to discharge. You can also do some light housework and develop the habit of having a regular bowel movement every day, so that you can go to the toilet on time even if you can’t, gradually forming a conditioned reflex. If you still feel constipated even after active life conditioning, you should consult your doctor if you are unable to have a smooth bowel movement. Lactulose, a light laxative, and fiber supplements, such as cellulose or fibrin, can be used to assist in bowel movements during pregnancy constipation, and medications that cause severe diarrhea should be avoided.