Common causes of infant jaundice are the following categories: 1, hemolytic jaundice caused by mother-infant blood type incompatibility, if the mother is O blood type and the child is not O blood type is prone to hemolysis, hemolysis will increase the destruction of red blood cells in the infant’s body, the bilirubin value generated will increase, which will cause jaundice. 2, physiological jaundice, infants and children after birth will appear physiological jaundice, with the infant liver cells are weak, related The enzyme system is not well developed and is a normal physiological phenomenon. It usually occurs 2-3 days after birth and slowly subsides after 7-10 days. 3, breast milk jaundice, some children who are breastfed will have increased breast milk jaundice, and jaundice will decline when they stop breastfeeding. 4, infection can also cause increased jaundice, some babies will have increased jaundice after infection, and infected children will also be accompanied by not eating milk, poor response, lethargy and other symptoms. 5, infection can also cause increased jaundice, some babies will have increased jaundice after infection. 5, surgical diseases, including congenital biliary atresia, can also cause increased jaundice.