Fever is a common symptom in children, when the baby has a fever reasonable and comfortable home care, the baby’s condition will help to heal. When the baby has a fever, if the room temperature is too high you can turn on the air conditioning, the temperature of the air conditioning to 26-28 ℃ is the most suitable. If the adjusted temperature is too low, it will cause the blood vessels on the surface of the skin to contract, which is not conducive to heat dissipation. In addition, when the air conditioning is on for too long, such as after 2-3 hours, you can turn off the air conditioning and open the window, proper ventilation, air flow is also conducive to the recovery of the baby’s condition. When you turn on the air conditioner, you must be careful not to blow directly on the baby, and at the same time in the air-conditioned room, the baby is feverish, water loss is more obvious, so it is very necessary to replenish water.