After blowing the air conditioning lumbar pain, may be related to physiological factors, may also be lumbar muscle strain, lumbar dorsal musculoskeletal fasciitis, lumbar degenerative disease and other factors. 1. Physiological factors: after blowing the air conditioning, especially for a long time, if you do not pay attention to lumbar warmth, it is easy to lead to lumbar muscles, fascia cold, causing spasm and contraction, may cause lumbar pain, especially when the lumbar weight-bearing activities, the pain symptoms are more serious. 2. Lumbar muscle strain: due to the lumbar muscles, fascia and other soft tissues there is chronic injury, in this case, prolonged blowing air conditioning is likely to lead to lumbar muscle strain aggravation, resulting in lumbar myofascial injuries aggravate, thereby aggravating the symptoms of lumbar pain. 3. Lumbar back myofasciitis: it is usually a chronic strain of the lumbar muscles, or prolonged exposure to moisture, cold and other reasons, resulting in aseptic inflammation of the lumbar muscles. Prolonged blowing of air-conditioning is likely to cause lumbar dorsal myofasciitis to aggravate, thus aggravating the symptoms of lumbar pain. 4. Lumbar degenerative disease: mainly lumbar spine joint cartilage and the surrounding ligaments natural aging, resulting in local functional degradation, mainly sciatica, lumbar and leg pain as the main manifestation. This type of patients blowing air conditioning for a long time, easy to lead to lumbar soreness symptoms aggravate. After blowing air conditioning back pain, may also be caused by other reasons, if the symptoms continue to be unable to alleviate, it is recommended to seek medical advice as soon as possible to diagnose the cause, give targeted treatment.