The immune system of infants is still immature and under-functioning, so they will catch a cold or fever if they are not careful. When an infant’s body temperature is higher than usual, it may be a fever. Fever in infants is a normal immune response that helps white blood cells resist bacteria and has the effect of helping to sterilize and enhance resistance, but it is still necessary to reduce fever moderately because fever increases metabolism and causes intrinsic consumption. Because the brain center and nervous system of infants are not well developed, it is easy for high fever to cause febrile convulsions, and febrile convulsions carry the risk of biting the baby’s tongue and damage to the nervous system. If the axillary temperature of the newborn is higher than 38 ℃, it is necessary to actively carry out heat treatment, usually can take physical cooling, oral ibuprofen suspension, or Chinese massage to relieve the symptoms, and in the first time to control the temperature, secondly, should also be clear baby fever cause, for viral infection, bacterial infection or fungal infection, and active anti-infection treatment with penicillin or cephalosporin antibiotics The baby should be treated with penicillin or cephalosporin antibiotics to prevent a persistent increase in temperature. It is also important to keep your baby warm to reduce the occurrence of cold.