The common symptoms of lumbar spondylitis include pain, activity limitation, and systemic symptoms. 1. Pain: Lumbar spondylitis usually manifests as low back pain, which is aggravated by bending or weight bearing. Physical examination can find the lumbar spine area pressure pain, may be accompanied by lumbar paraspinal muscle spasm. If the lesion compresses the nerve root, it may cause pain and numbness in both lower limbs. 2. Restricted activities: lumbar spondylitis generally limits lumbar activities, forward bending, dorsal extension, lateral bending and rotation can be limited. 3. Systemic symptoms: lumbar spondylitis may be accompanied by bacterial infection, and sometimes there will be systemic symptoms, such as fever, night sweats, decreased appetite, fatigue and other symptoms. Once the lumbar discomfort occurs, go to the hospital in time, and the doctor will comprehensively determine whether it is lumbar spondylitis according to the examination results and treat the symptoms.