Back wind soreness may be caused by muscle spasm, dorsal myofasciitis, rheumatoid arthritis and other factors. 1. Muscle spasm: blowing wind on the back for too long may lead to local muscle spasm of the back, which will cause back pain symptoms, reasonable rest, and reduce cold wind stimulation, usually will gradually return to normal. 2. Dorsal fasciitis: when there is aseptic inflammation in the fascia of the back, after being blown by the wind, it may increase the inflammatory substances and cause stimulation to the fascia and muscles, which will cause back pain and may be accompanied by pressure pain. 3. Rheumatoid arthritis: Rheumatoid arthritis will cause soreness and pain when the back is exposed to the wind, which may be accompanied by morning stiffness, fever and other symptoms. If the symptoms continue to be unrelieved, you should go to the hospital in time, and standardize the treatment under the guidance of the doctor.