The general symptoms of thoracic spinal stenosis include low back pain, numbness and weakness of the lower limbs, intermittent claudication, and urinary and bowel disorders. 1. Lumbar back pain: Most of the patients will have pain in the lumbar back, and some of them will have radiating pain in the legs. 2. Lower limb numbness and weakness: it is common to see numbness, weakness, coldness and inflexibility in the lower limbs. Bilateral lower limbs can develop at the same time, or one side of the lower limbs first, and then involve the other side. 3. Intermittent claudication: Most of the patients have intermittent claudication, after walking for a period of time, there will be lower limb pain, numbness, weakness and other symptoms, so they have to take a rest, after resting for a period of time, the symptoms will be relieved, and then after walking for a period of time, the symptoms will appear again, and so on and so forth. 4. Urinary and faecal disorders: With the progress of the disease, some people may even experience urinary and faecal dysfunction, weakness or incontinence of defecation and other symptoms. If you have thoracic spinal stenosis, you should go to the hospital for standardized treatment so as not to delay your condition.