When a new mother gives birth to a baby, the baby’s intestines are very tender for a short period of time, and a little carelessness may cause health problems for the baby. Constipation is very common among infants and children, and many babies have been troubled by the problem of constipation, which can lead to poor bowel movements and crying in babies. So how does constipation happen? Constipation can have an impact on a baby’s growth and development, so we need to explain and understand the knowledge about constipation in babies to parents so that they can find the cause of constipation in babies and treat them in a timely manner. Medically, constipation is divided into 2 types, one is pathological constipation, the reason is mostly caused by physiological reasons, such as congenital intestinal atresia, rectal or anal stenosis, intestinal obstruction, etc., these physiological causes of constipation is difficult through general conditioning can not be cured, but through surgery to correct the cure. The other type of constipation is usually functional constipation, and the vast majority of constipation in infants is of this type. This type of constipation may be caused by diet or other reasons, and can be effectively treated by a reasonable diet and improved lifestyle. Here we look at what are the causes of functional constipation in newborn babies. 1, constipation causes 1, baby eating less milk, may cause temporary phenomenon of no stool. 2, formula milk powder after baby digestion to produce some soap and calcium substances, very easy to cause dry stools. 3, the newborn baby’s digestive system is not mature, peristaltic ability is small, also easy to cause constipation. 4, to the baby’s supplemental food and water is not enough, or not enough sugar in breast milk, also easy to cause dry stools. 5, the diet process, food containing a large amount of protein, lack of fiber, causing constipation in babies. 6, some drug ingredients such as montmorillonite overdose will lead to baby constipation. 7, the baby’s mental stimulation, habits and environmental changes may also cause a short period of defecation problems. Second, how to determine the baby constipation Generally speaking, through the baby’s stool observation, you can understand whether the baby constipation situation. Of course, the physical condition of each baby is different, we need to carefully observe, through the number of bowel movements, the color of the bowel movements, the baby’s reaction to determine whether the bowel movements are normal, if the baby appears in the following circumstances, it may be the symptoms of constipation. 1.The amount of bowel movement is reduced, once every few days, and the stool is dry and in the shape of sheep stool. 2, baby defecation and painful expression, feces difficult to discharge, the phenomenon of anal protrusion. 3.The baby’s abdomen is distended and has pain. 4, Baoan no appetite, irritable, love to cry. Summary: constipation in infants and young children is very common, many babies constipation problems have been troubling new mothers, constipation will lead to the baby’s bowel movements are not smooth, the baby will also produce crying emotions. So about the baby constipation related knowledge, we need to parents to explain and understand, so that parents can find the cause of baby constipation, timely treatment of baby constipation. Constipation is generally divided into physiological constipation and functional constipation, most babies belong to functional constipation. There are many reasons for constipation, such as less milk, insufficient hydration, medication, too much protein in the food, and poor mental state, all of which may cause constipation. It can be determined by the size, shape and color of the bowel movements, as well as by the baby’s bowel reaction, whether the abdomen is distended or not, and the appetite.