The fever is a very common symptom in babies, and mothers are most worried about the recurrence of fever in their babies, and once this performance occurs, almost all mothers are not calm. The first baby fever in most cases indicates that the baby has an infection, baby fever is mostly due to viral infection, often lasting about three to five days, so during the baby fever, must ensure adequate water intake, the principle of antipyretic drugs is that if the child’s body temperature is significantly higher, and the child at the same time there is discomfort, you can use oral antipyretic drugs, commonly used are ibuprofen suspension, also known as Merlin, acetaminophen, also known as Tylenol. At the same time, according to the child’s condition and acceptability, physical cooling measures can be used, such as warm towels for the forehead, neck, armpits and groin, and a warm bath for the child to promote the recovery of body temperature. If the child has a persistent high fever and other systemic infections, blood tests can be performed and other relevant tests can be done to help confirm the etiology of the infection and the foci of infection according to the clinical presentation. In short, when a baby has recurrent fever, first of all we have to deal with the symptoms and take measures to reduce the fever. At the same time, we should closely observe whether the fever is combined with other abnormal clinical manifestations, and if the child has poor mental health and atrophy, he/she should seek medical attention in time.