There are many causes of jaundice that can cause the baby to recede and recur, and different treatment methods should be given according to the different causes, the following cases are common: 1, breast milk jaundice, after treatment with oral anti-yellowness drugs or blue light irradiation, given to continue breastfeeding will lead to a mild level of jaundice again, generally again the degree of jaundice recurrence is slightly less than the previous degree, the baby’s general condition is good, good milk, good weight gain, most can continue to breastfeed, in about half a month will subside. 2. Liver and biliary system diseases, such as neonatal hepatitis or biliary atresia, can cause jaundice to recede and recur, so go to the hospital for abdominal ultrasound and other related examinations.