The ringing in the ears after blowing a fan may be caused by physiological factors such as excessive fan noise and more cerumen in the ear, or it may be caused by pathologic factors such as colds and fevers, and neurotic tinnitus. 1. Physiological factors: excessive fan wind and noise, resulting in abnormal ringing in the ears after blowing a fan. Or more cerumen or loose cerumen in the ear may cause cerumen to move when blowing a fan, resulting in abnormal ringing. 2. Cold and fever: not paying attention to the warmth when blowing a fan, resulting in cold and flu, leading to fever, which can also cause tinnitus symptoms, usually accompanied by cough, runny nose, dizziness and other symptoms. 3. Neurogenic tinnitus: Neurogenic tinnitus refers to a variety of sounds, such as wind, cicadas, tides and other sounds, that are subjectively heard by the patient in the absence of an external sound source. When patients suffer from neurogenic tinnitus, they will consciously tinnitus after blowing a fan. After blowing a fan ear ringing can also be seen in other causes, it is recommended to rule out physiological factors in time to seek medical treatment, by the doctor after examination for targeted treatment.