Symptoms of spondylitis in children mainly include spinal pain, spinal numbness and stiffness, limb movement inconvenience, sensory abnormality, urinary and defecation disorders, and respiratory difficulties. 1. Spinal pain: most of the affected children may have different degrees of spinal pain, mostly in the chest and waist. 2. Numbness and stiffness of the spine: the spine may be numb and have difficulty in movement, which is manifested by the inability to flexibly bend and straighten the neck, lumbar spine, thoracic spine and other parts of the spine. 3. Inconvenient movement of limbs: inflexible movement of limbs may occur after damaging the nerves. 4. Sensory abnormalities: some patients may have dull sensation of touch, temperature and pain. 5. Dysfunction: dysfunction of urinary and fecal functions, such as poor fecal and urinary output, may occur. 6. Dyspnea: Inflammation affects the spinal cord segments that control respiratory function, and respiratory dyskinesia may occur. If any of the above symptoms occur, it is recommended to go to the hospital promptly.