It is normal for newborns to pass dark green stools at birth and yellow loose stools after 2 to 4 days. Most newborn babies have a bowel movement within 12 hours after birth, usually no more than 24 hours. Failure to have a bowel movement after 24 hours should be considered abnormal, such as having a digestive tract abnormality. Newborns in the mother’s uterus swallowed fetal fat, amniotic fluid and other substances accumulated, after birth through the feces, usually dark green, need several bowel movements to clear, usually 2 ~ 4 days after the thick dark green stools into yellow thin soft stool. Newborns shortly after birth gastrointestinal function is not well developed, digestive enzyme activity is insufficient, stools are more irregular, breastfed babies, most of the stools for the yellow paste stools, can contain a small amount of milk petals, formula-fed babies, the stools are relatively thick, for the yellow or golden yellow paste stools, and some will be thinner than the paste. Parents are advised to go to the hospital if they suspect that their newborn’s bowel movements are abnormal.