If a newborn has difficulty in passing stools, it is mainly considered to be due to the following two reasons. First, it is caused by constipation. If the child has a low milk intake or belongs to the internal heat constitution, the child will be constipated. In this case, the child is often very constipated, difficult to defecate, stools are often particularly dry, and even anal fissure, stools with blood and so on. In this case, you can give the child timely application of probiotics to deal with, commonly used probiotics can use small Pefecan, mamma love, etc.. Secondly, it is caused by congenital megacolon. If the child has congenital megacolon, it will also cause difficulty in defecation, and this condition is very stubborn. Congenital megacolon is due to the lack of nerve cells in the child’s intestines, which can not sense the fecal mass, the child’s intestinal peristalsis will be significantly slowed down, thus causing persistent constipation, the child should be timely surgery.