If the baby has not pooped for four days, it may be a symptom of tummy saving, constipation and other manifestations, mainly targeted to take general treatment, medication and so on. Infants have not pooped for four days, but if the baby’s state is relatively good, there are no other symptoms of discomfort, and normal breastfeeding, it may be a symptom of the baby’s tummy, generally do not need special treatment, with the baby’s gastrointestinal function and digestive function gradually improve, will return to normal. However, if the baby does not poop for a long time, and accompanied by abdominal distension, abdominal pain, loss of appetite and other symptoms are considered to be the manifestation of constipation, you can give the baby an appropriate abdominal massage to promote intestinal peristalsis, help defecation, and feed the baby some warm water, if the stool in the anus is not easy to discharge, you can use a topical Kesler to promote defecation; can also be used to use some probiotic to regulate the microbial environment of the intestinal tract to promote digestion and defecation. If the baby has not had a bowel movement for four days and is accompanied by uncomfortable symptoms, it is important to take the baby to the hospital in a timely manner to find out the cause of the problem and then target treatment or therapy. The above medications should be used under medical supervision.