Parents always ask why their children are constipated, and sometimes the stool is so dry and hard that it causes anal fissures, resulting in blood hanging on the outside of the dry, hard stool, and children are afraid to defecate because of the pain of anal fissures, further aggravating the occurrence of constipation. Careful analysis of the causes of constipation, most of the incorrect parenting behavior related to parents. Medically, constipation must be characterized by dry, hard stools, long intervals, no stools for more than 2 days, and sometimes difficult bowel movements. There are many reasons for constipation in children, the most common reasons are as follows: 1, improper parental feeding 1, inadequate feeding mainly small infants eat too little, digestion of the liquid in the food is absorbed residue less, resulting in a reduction in stool, stool thick. If the sugar content in the diet is not enough will also lead to a weakening of intestinal peristalsis resulting in dry stools. Because the child for a long time nutrition will also lead to abdominal and intestinal wall muscle tone is weakened will also lead to constipation. 2, improper dietary composition (1) give children to eat a lot of protein food, especially animal food or supplement a lot of protein powder, and less eat carbohydrate-containing cereals, resulting in changes in the distribution and type of intestinal bacteria, resulting in the reduction of intestinal fermentation process, so the stool is alkaline and dry; (2) excessive supplementation of calcium: calcium combined with casein in milk, making the stool contains (3) too little dietary fiber in food: some children prefer meat to eat less or do not eat vegetables and fruits or use fruits instead of vegetables, which reduces dietary fiber in food and can also cause constipation; (4) some children’s food is too fine, especially after 1 year old children still eat pureed food or finely chopped food can also cause constipation; (5) parents will formula (5) parents will formula powder brewed high concentration, resulting in high intestinal osmotic pressure, and not timely replenishment of water (normal should be fed once between 2 milk), resulting in dry stool; (6) early feeding of fresh milk, fresh milk protein content is high, the proportion of casein up to 80%, its mineral content is too high, large molecules, and gastric acid combined with the formation of indigestible casein caused by dry stool. Second, the living environment is not stable The child’s life is not regular, such as often changing the living environment life is not stable. Third, life habits are not well children do not develop good habits of defecation on time, it is difficult to form or can not form a good defecation reflex and cause constipation. Fourth, the drug causes long use of laxatives, iron supplements, anticonvulsants, diuretics, anticholinergics, antacids, so that intestinal peristalsis reduced and cause constipation. Fifth, disease causes some diseases cause the intestinal wall muscle weakness, malfunction caused by constipation, such as rickets, cretinism, dermatomyositis, congenital muscle weakness, etc.. Sympathetic dysfunction can also cause abdominal muscle weakness or paralysis and cause constipation. Sixth, physiological abnormalities some children congenital physiological abnormalities, such as giant colon, anal fissure, spina bifida, anal or rectal stenosis, tumors can cause constipation. Seven, psychological factors Sudden environmental or lifestyle changes, unexpected mental stimulation, or going to unfamiliar places, the first kindergarten, change of nanny or caregiver and other tension and anxiety can cause constipation. Treatment of constipation 1, find out the cause, if it is caused by disease or improper medication should first treat the original disease and rational use of drugs. If it is due to improper feeding, parents should ensure the child’s daily diet intake; add complementary foods on time, ensure the quality, quantity and form of complementary foods; arrange dietary varieties in a scientific and reasonable manner, supplement more water and foods containing more dietary fiber, such as vegetables and grains (including appropriate coarse grains); minimize the intake of unnecessary drugs and conduct regular bowel training early; do not disrupt the child’s normal routine; 2. 2. Massage the abdomen clockwise around the navel before the bowel movement to stimulate intestinal peristalsis; 3. Gently stimulate the anus with a sterilized cotton swab dipped in sterilized vegetable oil, or use a bar of soap, or open cork plug anal. However, this method should not be commonly used, so as not to form dependence. How to prevent? 1, as far as possible breastfeeding, breast milk is not enough or can not breastfeed the child should choose formula feeding, and in accordance with the formula milk brewing method to brew; 2, try to ensure that the child’s life is regular, and gradually train and train the child the good habit of regular bowel movements; 3, to ensure that a sufficient amount of water every day, preferably plain water; 4, to ensure that the daily intake of vegetables and fruits; 5, after 1 year old to add appropriate coarse grains, food Do not over-fine food; 6. For artificially fed children, feed water once between two milkings; 7. Avoid high protein diet for infants and young children.