Neonatal jaundice 22μmol/L is more serious, parents are advised to take their children to the hospital for relevant examinations to clarify the cause of the child’s jaundice and to treat the cause. common causes of neonatal jaundice include hypoxia, infection, neonatal hemolytic disease, congenital biliary atresia, etc., as follows: 1. caused by infection: if the child has an infection, anti-infection treatment should be given. 2. caused by hemolytic disease: to be given Blue light irradiation treatment, depending on the condition, choose albumin or immunoglobulin treatment, and if necessary, blood exchange treatment. 3, congenital biliary atresia caused by: to give surgical treatment, if necessary, liver replacement treatment. If jaundice is not treated promptly, unconjugated bilirubin in the serum will pass the blood-brain barrier and cause dysfunction of the central nervous system, which also leads to permanent damage, so parents must pay attention to their children’s jaundice and take them to the hospital for consultation and treatment.