Neonatal jaundice hospitalized for three days home jaundice is still high can be seen in infection, breast milk jaundice or feeding insufficient and other conditions, specific need to be analyzed according to the baby’s specific situation. 1. Infection: such as cytomegalovirus infection, affecting the liver bilirubin metabolism, the above phenomenon can occur, perfect liver function (such as alanine aminotransferase) and other tests can be seen to rise. Or more serious umbilical cord infection or sepsis, may also appear the above phenomenon, jaundice is often manifested as receding and reappearing. 2. Breastfeeding jaundice: it is seen in breastfed babies, usually occurs 1 week after birth, and can reach the peak in about 2 weeks, after stopping breastfeeding, jaundice can be decreased in 24~72 hours, the diagnosis needs to be excluded from other diseases causing jaundice. 3. Hypothyroidism: the early symptoms of this kind of babies are not obvious, with the increase of age, jaundice may appear to be elevated and not reduced, it is necessary to improve the thyroid function test, and combined with the mother’s pregnancy situation. 4. Other: if the feeding is not enough, the weight growth is not good, which affects the bilirubin metabolism of the body, jaundice may also appear high and not subside. Newborns hospitalized for three days with jaundice still have high jaundice and it is recommended to consult a specialist as soon as possible to determine the cause.