The causes of constipation in babies may be mainly due to: 1, milk feeding and caused by. Because of the high protein content of milk, to casein into the stomach, after meeting the stomach acid into larger clots, not easy to digest, in addition to the ratio of calcium and phosphorus in milk is not conducive to the absorption of calcium. Therefore, the undigested clots in the baby’s stool combined with calcium, resulting in dry stools, hard and constipation. 2, the mother eats too much food containing protein. If the mother drank pork feet soup, chicken soup and other protein-rich soups, the protein in the milk will be too much, after the baby eats, the stool is alkaline, manifested as hard and dry, not easy to discharge. Baby constipation countermeasures: 1, formula should be brewed according to the instructions, do not brew too thick; between the two milk to give the baby some water or juice; add appropriate sugar in the milk can also effectively relieve constipation. 2, baby more than 4 months old, you can add vegetable porridge, fruit puree, vegetables contain a lot of fiber and other food residues, can promote intestinal peristalsis, to achieve the purpose of laxative, and plantain more in the short term to play the role of laxative. 3, train your child to defecate regularly, every morning end his bowel movements, even if the bowel movements are not insisted on, about 1 month the brain will form a response, the child will have the intention to poop. 4, supplement probiotics or switch to add bifidobacteria formula can help prevent baby constipation. 5, abdominal massage: right hand four fingers together, in the child’s umbilical cord perimeter in a clockwise direction gently pushing massage, which can not only help defecation and can help digestion.