Newborn full-term babies begin to show yellowing of the face and white eyes 2-3 days after birth, and even yellowing of the skin all over the body, with jaundice reaching a peak in about 4-6 days, then beginning to subside, and jaundice can completely subside in about 7-10 days, or no later than 2 weeks. At this time, the baby has no other discomfort and is generally referred to as physiological jaundice. Physiological jaundice can be treated by allowing the baby to eat breast milk diligently and have more bowel movements, or the baby can take some probiotics or the liver enzyme inducer luminal to reduce the yellowing treatment. Baby jaundice is mainly due to the characteristics of neonatal bilirubin metabolism, generally premature and low birth weight babies physiological jaundice fade slower than full-term infants, about 3-4 weeks can be completely receded. If the baby’s jaundice appears early, the jaundice remission time is delayed, the degree of progressive aggravation or the baby appears to have white color stools, be alert to pathological jaundice, need to go to the hospital.