When the lumbar region is swollen, the first thing to do is to clarify what causes it, and then treat it accordingly. If the lumbar swelling is caused by trauma, it should be accompanied by local soft tissue injury and bleeding. It is necessary to actively improve the MRI of the lumbar spine and vertebral body CT to clarify whether there are vertebral fractures and spinal nerve injury, and if there is an indication for surgery, it is necessary to actively carry out surgical treatment. Intermittent cold compresses within 2 days of injury can effectively occlude bleeding capillaries, reduce bleeding and swelling, and hot compresses can be applied after 2 days of injury to promote local blood circulation. Oral anti-inflammatory and analgesic drug loxoprofen sodium, the drug to promote local blood flow back to the medicine MaiZhiLing tablets, sedative mannitol injection and injectable heptaosaponin sodium dehydration swelling treatment, avoid local compression. If there is no trauma but swelling in the lumbar area, it may be a local septic infection, which requires anti-infective treatment with sensitive antibiotics and, if necessary, incision and drainage.