Streaks in the stool of newborns can be related to parasitic infection, bacterial enteritis, viral enteritis and other factors. 1. Parasitic infection: newborns infected with parasites in the intestinal tract can be found in the stool as a result of the parasites being expelled from the intestinal tract. 2. Bacterial enteritis: After the intestinal tract is infected by bacteria, the feces can be in the form of long stripes, accompanied by mucus stools, which is mainly related to unclean diet, and abdominal pain, chills, high fever and other manifestations can also occur. 3. Viral enteritis: viral enteritis mainly includes infection with enteric adenovirus and rotavirus, etc., the newborn’s stool may appear as long, drawn mucus-like changes, and abdominal pain, nausea, vomiting and other systemic symptoms. Newborns with streaks of stool, there may be other reasons, such as indigestion, etc., it is recommended to go to the hospital in a timely manner, improve the examination to determine the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.