The baby did not poop for a week may be caused by functional constipation, congenital megacolon, dyspepsia, etc., which can be improved through daily life style, medication, surgery, and so on. Baby’s gastrointestinal function is not yet fully developed, gastrointestinal peristalsis is relatively weak, which may lead to the accumulation of food can not be excreted. In addition, if the baby’s diet contains more protein or the baby drinks less water, it may also cause the baby to have no bowel movement for a week. If the baby has congenital megacolon, dyspepsia, etc., constipation can also occur. Parents can massage the baby’s stomach appropriately, give the child more celery, spinach, bananas, apples, pineapples and other foods appropriately, and usually encourage the baby to drink more water, which is helpful in relieving the baby’s constipation. If it is caused by disease, you can follow the doctor’s advice to take compound pepsin powder and other drugs to promote digestion. Congenital megacolon if the baby is not suitable for surgery, you can first conservative treatment such as enema, application of lactulose and other drugs, for the diagnosis of the child has been clearly defined should be early surgical treatment, such as resection of stenosis segment, migratory segments, and obvious dilatation, hypertrophy and other parts. The baby did not poop for a week recommended timely consultation, the above drugs should be used under the guidance of a doctor.