Five-month-old babies are generally not recommended to blow directly on the fan, easy to cause the baby cold cold and flu, on the normal growth and development of unnecessary impact. Five months baby body immunity is relatively low, the body organs and systems development is not perfect, blowing directly on the fan is easy to be cold stimulation lead to cold and fever symptoms, is not conducive to the healthy growth of the baby. For the high indoor temperature, it is recommended to open the windows to ventilate the room and strengthen air circulation to reduce the room temperature. If the outdoor temperature is high in the hot summer, you can blow a fan indoors away from the baby to strengthen air circulation and help the baby cool down and improve comfort. Remember not to blow the fan too close to the baby so that the cold wind does not blow on the baby. Parents are advised to strengthen the care of five-month-old babies, room temperature is too high when cooling at the same time to give the baby a proper drink of lukewarm water, replenishment of water, to avoid the body due to increased sweating led to dehydration.