It is usually not normal for babies not to poop for a few days after adding supplements, which may be a symptom of indigestion caused by the addition of supplements. If your baby doesn’t poop for a few days after adding complementary foods, it may be due to indigestion caused by the addition of complementary foods. For example, adding too many kinds of complementary foods to your baby will cause your baby’s stomach and intestines to be unable to digest for a while, resulting in indigestion, and he or she may not poop for a few days. At the beginning of the addition of complementary foods baby may not be too adaptive, it is recommended to add a small amount of time, from one to many, do not give the baby to eat too dry food, and pay attention to balanced nutrition, moderate increase in vegetables and fruits and so on. If the symptoms do not improve, it is recommended to give the baby oral bifidobacteria and other probiotics. It can regulate the gastrointestinal flora, promote food digestion and absorption, and relieve constipation. Baby plus complementary food after a few days without stool symptoms do not see relief, or accompanied by other symptoms, it is recommended to go to the hospital in a timely manner, the drugs need to be used under the guidance of a doctor, to avoid taking on their own.