It is possible to get pneumonia from blowing air conditioners, mainly because of the hygiene of the air conditioner and the immunity of the body, both of which have a lot to do with each other. Air conditioners are the most commonly used appliances in the summer, but because some air conditioners are not used for a long time, the air conditioner cover will have some dust, especially allergens, allergens can enter the lungs of some patients, causing allergic alveolitis, of course, does not belong to the infectious disease, belonging to a kind of allergic reaction caused, but also belongs to pneumonia. If you use central air conditioning, there is a possibility of spreading a disease called Legionella pneumonia, which is also seen in nursing homes or collective, group rented structures, which can appear as a group infection. In addition, it is the elderly or people with underlying diseases, if blowing air conditioning after the cold is also very easy to catch a cold, and thus secondary to pneumonia, these are caused by blowing air conditioning. So blowing air conditioning, it is best to look at their own physique, some people are not suitable for blowing air conditioning, or do not blow.