A jaundice value between 5-7 mg/dl is normal for newborns. If this value is exceeded, jaundice occurs, mainly because the concentration of bilirubin in the blood exceeds the normal value and the skin becomes yellow with the naked eye. The main difference between jaundice is physiological jaundice and pathological jaundice. Among them, physiological jaundice is mainly in full-term infants should appear jaundice in 2-3 days, peak in 4-5 days, and subside in 5-7 days, but at the latest not more than two weeks. Pathological jaundice mainly refers to the appearance of jaundice 24 hours after birth, with serum bilirubin exceeding 221 μmol/L, of which the jaundice recedes and reappears. Therefore, if your child continues to have jaundice, you must go to the hospital to check whether it is physiological jaundice or pathological jaundice and how high the jaundice value is.