Long-term blowing air conditioning will make the body too much moisture, the main reason is that moisture stays in the body’s defense weak areas, such as joints and some other parts, prolonged blowing air conditioning will lead to rapid vasoconstriction of the body’s joints, blood flow slows down, resulting in joint pain, unfavorable activities, joint damage by cold, and even a long period of arthritis, so we must prevent. Air conditioners blowing for a long time will also cause the respiratory system to be affected, causing respiratory diseases, such as colds and rhinitis, and air conditioning will lead to a decline in human immunity, which is not good for human health. So we for the air conditioning application process, do not blow for a long time, so as not to affect the health of the body.