For newborns, most children have jaundice, only the degree of severity varies, the bilirubin in the body of the newborn through the liver for metabolism, partly through the intestinal liver circulation reabsorption, due to more sources of bilirubin in newborns, liver function development is relatively immature, intestinal liver circulation leads to bilirubin reabsorption, bilirubin can not be cleared in time and cause jaundice, most of the newborn jaundice is physiological. Physiological jaundice appears 2 to 3 days after birth, peaks in 4 to 6 days, the peak does not exceed the physiological range, and subsides within two weeks in full-term infants, and within 4 weeks in premature infants, for physiological jaundice is not recommended drug treatment, you can let the child more sunshine, try to undress in good weather, bare skin, diligent breastfeeding, can speed up the jaundice subsidence. If the jaundice appears within 24 hours after birth, the jaundice level is high, lasts for a long time, progresses quickly, gradually worsens or recedes again, accompanied by anemia, abnormal body temperature, poor milk intake, vomiting and other manifestations, pathological jaundice should be considered, in this case the cause of the baby’s jaundice needs to be clarified, according to the cause to give targeted treatment, for jaundice should also be treated in a timely manner to reduce the bilirubin level to prevent causing Bilirubin encephalopathy is treated with blue light phototherapy, and in severe cases, blood exchange therapy is used. The treatment of jaundice should be analyzed specifically, and once a newborn is found to have severe jaundice, the baby should be taken to the hospital in a timely manner to find the cause and make a clear diagnosis by a professional doctor, so that symptomatic treatment can be given, and only when the original disease is treated can the jaundice subside as soon as possible.