Measures to improve the four-month-old baby fire, including control the indoor temperature, humidity, more company baby, increase the baby’s activity, give the baby the right amount of water, etc., as follows: a. Control the indoor temperature, humidity: control the indoor temperature at about 22-24 ℃, humidity between 50%-60%. Indoor temperature should not be too high, but also according to the temperature to adjust the baby’s clothing. Two, accompany the baby: parents should accompany the baby more after coming back from work, talk more with the baby, interact more with the baby to play games, which can help improve the baby’s fire symptoms caused by the separation of parents after going to work. Three, give increased exercise: parents can usually increase the amount of baby’s activities, such as four months of the baby is held under the armpits, can appear jumping movements, but also appropriate more baby practice lying and turning over movements, appropriate exercise can improve the physical quality of the baby. Fourth, more water: parents should usually give the baby a moderate amount of water, which helps promote the metabolism of body heat and improve the symptoms of fire.