It is possible to get facial paralysis from blowing into an electric fan, but it usually returns to normal after treatment. It is possible to get facial paralysis by blowing against an electric fan. This kind of facial paralysis is called Bell’s palsy, which is also called acute idiopathic facial nerve palsy due to the uncertainty of the etiology. Generally, when the body’s immune system declines or fatigue, the microcirculation around the facial nerve is impaired due to blowing, or the nerves and blood vessels are stimulated to produce spasm, and nerve edema occurs, resulting in the nerves not being able to play their normal roles, and the facial muscles are not able to be controlled by the nerves, and then facial paralysis may occur. This type of facial paralysis is the most common type in the clinic, usually in the acute stage can be given hormones such as dexamethasone and nutritive nerve drugs such as methylcobalamin treatment, some of the patients who are more sensitive to drug treatment may recover within 2 weeks, most patients can be cured within 3 months after treatment, if more than 3 months have not been cured, there is the possibility of leaving sequelae. The medication should be used according to the doctor’s prescription. Avoid cold wind blowing directly on the face in daily life to avoid triggering facial paralysis. If symptoms of facial paralysis appear, please go to the hospital in time to avoid delaying the condition.