Pathological jaundice is a group of diseases caused by a combination of various factors, commonly including hemolytic jaundice, infectious jaundice, obstructive jaundice, and breastfeeding jaundice. The characteristics of jaundice caused by different reasons vary. The inquirer’s condition may be infectious jaundice, which is caused by liver cell damage due to viral or bacterial infection. Viral infections are common in intrauterine infections, such as cytomegalovirus and hepatitis B virus, while bacterial infections are most commonly caused by sepsis. The characteristic of infectious jaundice is the recurrence of persistent jaundice after the physiological jaundice subsides.