Newborns do not poop can first explore the causes, such as organic causes need to be treated according to the disease, if it is a functional cause, it is necessary to functional care, need to be different for the cause of the targeted treatment. 1. Organic causes: some diseases can cause constipation in newborns, such as congenital malformations of the digestive tract, such as congenital megacolon, anorectal malformations, intestinal stenosis and so on, endocrine diseases, such as hypothyroidism, neurological, such as cerebral hypoplasia and so on, can appear to varying degrees of constipation. If these causes of constipation need targeted treatment, such as hypothyroidism can be targeted use of thyroxine, anorectal malformation can be relieved through surgery. 2. Functional causes: some functional causes such as feeding the newborn too little food, there may be constipation. These need to be treated according to the cause, and attention can be paid to increase the amount of breastfeeding to improve the constipation. Similar symptoms need to be consulted for a clear diagnosis and targeted treatment according to the cause. All of the above medications should be used under medical supervision.