The normal value of ABO hemolytic jaundice value, full-term babies are usually below 204μmol/L; preterm babies are usually below 255μmol, different hospitals, the value of the standard has some differences. 1. Full-term infants: children born between 37-42 weeks of pregnancy are called full-term infants, after birth, physiological jaundice usually appears 2-3 days after birth, reaches the peak in 4-7 days, and gradually disappears in 7-14 days, and usually does not exceed 2 weeks to return to normal, i.e., it is less than 204 μmol/L or below. 2. Preterm infants: children born before 37 weeks of pregnancy are called preterm infants, physiological jaundice usually starts to occur after 3-5 days of birth, reaches the peak in 5-7 days, and then disappears in 7-9 days, and the longest time of disappearance is usually not more than 5 weeks after birth. In addition, if the jaundice value is abnormal after the birth of the child, it may be pathological jaundice, which needs to be actively treated to avoid affecting the health of the child.