CD40LG and Jaundice: After treatment, the levels of TBiL, hemoglobin and reticulocyte, the time of jaundice disappearance and hospital stay in group B were significantly lower than those in group A. The level of immune cells in group B was significantly higher than that in group A after 7 days of treatment, and the levels of IgA / IgG / IgM in group B were significantly higher than those in group A after 28 days of treatment.