If a 15-day-old newborn becomes constipated, parents can deal with it in the following ways: 1. Targeted functional constipation. These children often constipation is relatively mild, to the child massage treatment or probiotic treatment after the constipation will be significantly improved. Specifically, the probiotics commonly used include small Pefikang, Mamia, Siliancon, etc., because probiotics have the role of regulating intestinal flora disorders, thus helping to adjust the child’s flora disorders and improve the constipation. 2, massage therapy. The reason is that pushing the abdomen helps the child’s gastrointestinal peristalsis to speed up, thus improving the constipation. 3, belong to the organic constipation, if the child belongs to the congenital giant colon, intestinal obstruction, etc., these cases belong to the organic situation, to promptly take the child to surgery for rescue, the common conservative treatment is not effective.