It is best not to take a sauna during a cold. First of all, it is necessary to take more rest, drink more water and get more water during a cold to promote recovery from the cold and to relieve sore throat and other respiratory symptoms caused by the cold. The sweating in a sauna is very heavy and the consumption of water is very high, which can easily lead to dehydration and aggravate the cold. If you get cold after the sauna, it is easy to aggravate the cold. The sauna room is closed and the temperature is high, so it is easy to breed bacteria, especially cryptococcus, which can easily aggravate a cold and even cause pneumonia. During a cold, the immunity of the respiratory system is lowered because of the infection of the upper respiratory tract, and at this time the infection of cryptococcus may easily lead to bronchitis or pneumonia, which is particularly dangerous and not conducive to the recovery of the cold, but may lead to the aggravation of the cold, so it is better not to take a sauna.