Infants with high jaundice, physiological jaundice usually does not have any effect, but if pathological jaundice is not treated in time, it may affect the brain development, leaving neurological sequelae as well as damage to the liver and gallbladder and other organ functions. Infant jaundice is usually in the newborn period of jaundice, if it is physiological jaundice, the general situation will not cause harm to the body. However, if pathological jaundice is not treated in time, it may lead to irreversible damage to the brain cells of the newborn, thus leaving neurological sequelae. It is also necessary to be alert to infantile jaundice caused by hepatitis or cholestasis, etc. It usually causes gastrointestinal symptoms and can lead to hepatobiliary injury or liver failure. High jaundice in infants, if it is pathologic jaundice, need to actively treat the primary disease, so as to avoid leaving serious sequelae.