Constipation in 8-month-old babies is mostly related to genetics, dietary habits, anatomy and other factors, and can be treated with dietary modification, removal of intestinal obstruction, defecation training, and drug intervention. 1. Dietary regulation: when the 8-month-old baby constipation, need to drink a sufficient amount of water, and encourage breastfeeding, eat more dietary fiber fruits and vegetables, such as leeks, celery, bananas, pears, etc., to promote gastrointestinal peristalsis, relieve constipation. 2. Clean up the intestinal blockage: need to avoid the use of soap or pure water to wash the rectum, you can follow the doctor’s instructions to use Keserol, can play the role of softening the stool, promote the role of fecal discharge, but not as a long-term medication. 3. Defecation training: for 8 months of the baby, at this time you can carry out training defecation, regular defecation, sit on the potty in the morning every day; generally 5 to 10 minutes, such as can not defecate quickly, do not sit in a squat for a long time, otherwise it can cause prolapse of the anus or aggravate constipation on the contrary. 4. Pharmacological intervention: commonly used drugs, including lactulose, which belongs to the osmotic laxative, can be in the colon by the digestive tract flora decomposition, thereby enhancing the capacity of the colon through osmosis, change the stool properties, promote gastrointestinal peristalsis, relieve constipation. All of the above drugs need to be used under the guidance of a doctor, constipation self-medication. It is recommended that 8-month-old babies who are constipated consult a doctor in a timely manner and follow the doctor’s instructions for medication.