The yellowing of the newborn’s dental bed may be caused by physiological or pathological factors, physiological factors such as lipid precipitation; pathological factors such as neonatal jaundice, etc., can cause yellowing of the newborn’s dental bed. 1. Physiological factors: when newborns are born, there may be lipid deposits on the dental bed, resulting in yellowish color of the dental bed, which is more common in newborns, and generally does not require special treatment, and it can disappear on its own after a period of time. 2. Pathological factors: newborn jaundice, whether physiological jaundice or pathological jaundice, can be caused by elevated blood bilirubin, resulting in yellowing of the skin and dental bed. There may be other reasons for the yellowing of the teeth bed of newborns, so it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.