Jaundice 17 generally refers to a jaundice of 17mg/dL. 20-day-old newborns with jaundice of about 17mg/dL are generally more severe and need to be actively treated with medication and blue light irradiation. Neonatal jaundice is a yellowing of the skin, sclera, and other organs caused by the accumulation of bilirubin in the body during the neonatal period. If the newborn is 20 days old and still has jaundice of 17mg/dL, it is a serious condition. Need to actively cooperate with the doctor to take relevant treatment measures, can oral “Yin gardenia yellow” and other drugs, at the same time with blue light irradiation, promote non-conjugated bilirubin excretion. Most of the children after active treatment, prognosis is good, rarely have sequelae. However, if not actively take treatment measures, may cause neurological damage, serious cases can cause death, should pay attention to. If the jaundice of 20-day-old newborns is around 17mg/dL, parents need to bring their children to regular hospitals.