Fever after 13-valent pneumonia vaccine for 4-month-old babies is usually not allowed to cold compress. 4 months after the baby 13-valent pneumonia vaccine fever, is a common adverse reaction after the vaccine, generally low fever, rarely high fever, about 1 ~ 2 days, and then the body temperature will slowly return to normal. After the baby vaccination fever, parents usually can not use cold water soaked towel to the baby to do cold compresses, because the cold compresses will make the blood vessels on the surface of the body contraction, is not conducive to the body’s heat dissipation, on the contrary, may make the body temperature continue to rise, the symptoms of high fever. Parents can use warm water to wipe the baby’s body during the fever, using the evaporation of water on the body to take away the body’s heat, to increase the baby’s comfort, but also a small number of times to drink some warm water, replenishment of water, to strengthen the metabolism. If the baby’s fever continues to be unrelieved after physical cooling or high fever occurs, it is recommended to consult a doctor in time to clarify the cause of the fever and actively treat it.