Children can turn on hot air conditioning during fever if they are cold, but when you turn on hot air conditioning, the air will become drier, the consumption of water during fever is relatively large, if you turn on hot air conditioning, the air is drier, it is easy to become dehydrated, which is not favorable for the recovery of fever. If the child’s fever is in a high fever state, the limbs are warmer, this time to open the air conditioning, it is recommended to open the cold air conditioning, which helps to take away the heat, thus helping to reduce the body temperature. Children need to drink more water, rest more, eat more vitamin C-rich fruits and vegetables to strengthen the body’s resistance.