Stool abnormalities in newborns include change of stool color, change of stool properties, change of smell, etc. 1. Change of stool color: within 12 hours of birth, the color of newborn’s stool is usually olive green, and after the evacuation of meconium, the color of stool is yellow or golden yellow. If the color of stool is abnormal, such as green loose stool or pus and blood stool, it is a manifestation of stool abnormality. 2. Changes in stool properties: After the newborns are cleaned of meconium, breastfed stools are usually uniform and creamy or thin, while artificially fed stools are dry and thick, and if the stools are mucous, egg-like or jelly-like, they are often caused by diseases. 3. Odor change: generally newborn baby stools do not have obvious odor, there may be a fishy smell, but if the stool is abnormal, it will lead to obvious fishy smell of the stool. If the newborn baby stool abnormalities, you need to go to the hospital in a timely manner to identify the cause, targeted treatment or treatment.