Patient Male 57 years old “fever for 7 months, low back pain for 2 months, aggravated by pain in both lower limbs for 2 weeks” came to our hospital. History: The patient had intermittent fever 7 months ago, body temperature was not measured, no chills, chills, profuse sweating, often at night, hair and clothes wet after profuse sweating, self-conscious fever subsided, he was diagnosed with brucellosis after a strong positive B. burgdorferi agglutination test in our Infection Department, and was given anti-infective and liver-protective symptomatic treatment, his symptoms improved. He had difficulty in turning over and could not stand and walk due to lumbar pain. Lumbar spine CT: L4 vertebral body edge can be seen limited bone destruction area Lumbar spine MRI: lumbar 3, 4 vertebral body can be seen patchy abnormal signal, T2 compression lipid is slightly high signal, around the vertebral body can be seen patchy abnormal signal, enhancement scan lesion area can be seen inhomogeneous reinforcement, lumbar spine physiological arc exists, vertebral body edge can be seen to varying degrees of superfluous osteophytes, no obvious abnormal signal changes. The lumbar intervertebral discs were clear, and the signal became low on T2WI. Treatment: After two weeks of regular anti-infection treatment, posterior lumbar spine surgery was performed, during which the infected lesion was debrided, irrigated and drained. The patient’s lumbar pain symptoms basically disappeared after the operation, and he wore a lumbar brace to the floor one week after the operation, and had no lumbar pain discomfort when turning in bed and walking on the floor. The patient’s quality of life was significantly improved. Postoperatively: We have successfully operated on more than ten cases of lumbar spinal rag disease patients, and all of them have achieved good results.