Newborn babies are born with dark dark green, sticky stools, commonly known as meconium, some of which are already excreted during birth by compression. Most of the newborns excrete meconium within 2-3 days after delivery, and the color has a lot to do with the swallowing of amniotic fluid in the uterine cavity, so no treatment is needed. After the birth of a newborn baby, the family gives breastfeeding or formula feeding, the color of the stool gradually changes from dark green to golden yellow or yellow, but part of it is still green, consider the relationship with the maternal consumption of too many vegetables or oral medication; then the baby’s formula contains more iron, resulting in colored stool, this situation does not require treatment, is normal. If a newborn baby has white stools, clay-like, this is pathological, so be alert to bile duct abnormalities and seek medical attention. Blood in the stool or red, consider blood in the stool, generally seen in the digestive tract infection, milk protein allergy, do not exclude vitamin K deficiency, coagulation abnormalities, etc., need to promptly seek medical examination stool routine and blood routine, do not delay the condition.