Generally speaking, the black line inside the baby’s stool is mainly related to indigestion, this is due to the baby’s stomach and intestines are relatively weak, the application of too much food will often cause indigestion, such as eating bananas and other complementary foods, eat too much will cause the black line inside the stool, and at this time there is often abdominal distension, crying and restlessness and other symptoms. You can reduce the amount of supplemental food you add to your child’s diet in a timely manner, and you can massage your child’s abdomen clockwise. In addition, you can give children the application of chicken gold powder in water to drink, which can effectively relieve indigestion, and then let the stool back to normal.