Lumbar spine tumor will cause lumbar pain if it compresses the nerves. If it compresses the sciatic nerve, it will also cause pain or numbness in the lower limbs, and if it compresses the cauda equina nerve, it will cause dysfunction of urination and defecation. 1. Lumbar pain: lumbar spine tumor refers to the tumor growing in the lumbar spine, which will destroy the bone and soft tissues of lumbar spine and cause lumbar pain. 2. Lower limb pain or numbness: if the tumor of lumbar spine compresses the sciatic nerve, it will cause persistent or paroxysmal pain in the distribution area of the sciatic nerve, which is mainly manifested as radiating pain in the buttocks, the back of the thighs and the calves, and there will also be numbness of the lower limbs and decrease of muscle tone of the lower limbs and other symptoms. 3. Urinary and fecal dysfunction: cauda equina is the lumbosacral nerve root below the spinal cord cone, if the tumor compresses the cauda equina, it will cause perineal numbness, and in severe cases, urinary and fecal incontinence and sexual dysfunction will occur. Lumbar spine tumors are divided into benign and malignant tumors, which should actively cooperate with doctor’s examination and treatment to improve the cure rate.