The common cause of lumbar swelling is local soft tissue injury, fracture, transverse process fracture, etc. due to a huge traumatic violent blow to the lumbar region, which results in swelling of the lumbar region. It is also accompanied by pain and limited movement of the waist, which requires bed rest and avoid strenuous activities of the waist. If the swelling is serious, cold compresses can be applied within 24 hours to reduce the swelling, and topical flurbiprofen cream can be used to relieve the pain, and external fixation of the lumbar brace can be given to limit the abnormal activities of the lumbar region to avoid further aggravation of the symptoms. Go to a regular hospital in time, improve the necessary auxiliary examinations, combine the symptoms and signs to clarify the root cause of the swelling, and choose further treatment measures so that a series of clinical symptoms such as lumbar swelling can be relieved in a timely and effective manner.