Because the weather is colder in the cold winter, including the indoor temperature is also very low. This time the baby has a fever is considered to have the most common upper respiratory tract infection, inflammation in the body, high fever does not go away. In this case it may be necessary to avoid getting cold, it is advisable not to turn on the air conditioning. Because the air conditioner itself is to run in a closed, airtight indoor environment, indoor although the temperature up, the baby will not be cold. But the indoor air will not circulate, the air is even very dirty, there are some pathogens. This repeated breathing cycle may not be good for the baby’s own fever-induced upper respiratory tract infection recovery, it is advisable to ensure proper circulation of indoor air. You can use electric heaters or electric hot water bags or the like to keep warm and prevent your baby from getting cold, which is a little better.