Neonatal jaundice is divided into physiological and pathological, of which pathological jaundice requires treatment. Pathological jaundice includes the following conditions: jaundice appearing within 24 hours of birth; jaundice rising rapidly, exceeding 85.5umol/l (5mg/dl) within 24 hours; jaundice taking a long time to subside, exceeding 21 days for preterm infants and 14 days for term infants; jaundice index exceeding the physiological range, exceeding 15mg/dl for preterm infants and 12mg/dl for term infants. which requires focused The newborn hemolytic disease caused by mother-infant blood group incompatibility. Because this disease is prone to bilirubin encephalopathy, which leads to irreversible sequelae and disability or death of the newborn, it should be given great attention!