The appearance of fever in the lumbar spine may be caused by the following reasons: first, the patient has been engaged in physical labor for a long time, the lumbar region is overburdened and the pressure is too great, which leads to the occurrence of strain in the lumbar muscles, and the blood circulation is not smooth, due to the impediment of the blood circulation, so the appearance of fever in the lumbar spine. Second, the soft tissues around the lumbar spine are infected and inflamed, resulting in fever. After this situation, it is recommended that patients usually rest more, reduce the weight of the waist, it is best to go to the hospital to do the examination of the waist to do CT, X-ray film to observe the condition, and then cooperate with the doctor’s treatment, in order to get rid of this kind of phenomenon as soon as possible.