84 disinfectant smell is actually not good, and even have a pungent smell. 84 disinfectant usually contains chlorine ions, which has a certain oxidizing property, so it has adverse stimulation to the child’s airway. If the child is occasionally exposed to this smell, it does not matter too much. If the child is often exposed to these things frequently, it may cause the child to be easily sick, such as easy to get colds, pneumonia and other conditions, so try not to let the child exposed to the smell of 84 disinfectant. If you need to use 84 liquid disinfection at home, you can first carry the child out or let the child go out to play, after disinfection and then open the window, open the door to ventilate, ventilate for 1 hour before letting the child come in, so that there is no big risk.