Newborns with yellowish gums may be a normal phenomenon, but it can not be ruled out that the newborn jaundice, oral diseases and other causes of this situation is not normal. 1. Normal: newborns sleep with a pacifier for a long time, easy to make milk residue in the mouth, resulting in newborns with yellow gums, which is generally considered to be a normal physiological phenomenon. You can correct the newborn’s bad sleeping habits and clean the milk in the mouth in time. 2. abnormal (1) neonatal jaundice: neonatal jaundice, liver and gallbladder metabolism abnormalities, not only yellow skin, yellow gums, neonatal jaundice should be treated in time, the yellowing of the gums can be improved as the jaundice subsides. (2) Oral disease: If the newborn has gingivitis, the gums may turn yellow. Therefore, we should pay attention to maintain the oral hygiene of newborns, after each feeding, you can use a cotton pad dipped in warm water to wipe the mouth to keep the mouth clean. Newborns with symptoms of yellow gums, after ruling out physiological factors, should seek medical attention in time to avoid delays.