Infants poop very hard to consider the causes of congenital digestive tract malformation, etc., as follows: 1, the infant digestive system is not well developed, fewer probiotics, poor digestion, the baby drink less water or diet lack of dietary fiber, which can lead to dry stools, poop is very hard to recommend that the baby half a year old after the increase in complementary foods, complementary foods to light, eat more fresh fruits and vegetables, pay attention to nutritional compatibility, and drink plenty of lukewarm water, the baby is very hard to drink. Give the abdomen to do hot compresses, clockwise massage abdomen, promote intestinal peristalsis, oral intestinal probiotics, spleen and child granules to alleviate constipation; 2, congenital digestive malformations, such as congenital anal stenosis, congenital megacolon, etc., mostly after birth, that is, the phenomenon of delayed excretion of fetal feces, should go to the pediatric surgery clinic for a definitive diagnosis, and if necessary, give surgical treatment; 3, the baby on the fire can lead to constipation, you should pay attention to the temperature of the room The temperature of the room should not be too high. If the baby is breastfed, the mother should drink more water, you can give the baby oral clear fire treasure to improve the symptoms of constipation.