Low back injuries also cause respiratory outgassing mainly due to pain. Lumbar injury because of local tissue damage, causing significant pain, especially when the position changes appear to be pain aggravation, which leads to local activity restrictions. At the same time, because the lumbar muscles and chest muscles, lumbar muscles and rib arches are connected, because of the pain and discomfort of the lumbar muscles, affecting the activities of the chest muscles, part of the ribcage, thus affecting the normal respiration, and there is a fear of breathing, respiratory out of the air out of the situation of laborious. Lumbar injuries caused by respiratory tract out of breath laborious need to go to the hospital for further examination, if necessary, take a picture to clarify whether the rib fracture or lung contusion, after clarification to give the appropriate treatment.