Symptoms of lumbar disc herniation include lumbar pain, limb numbness, sciatica, perineal area sensory impairment, etc. 1. Lumbar pain: lumbar pain is the first symptom of most patients with lumbar disc herniation, which is caused by the irritation of nucleus pulposus in the outer layer of annulus fibrosus and posterior longitudinal ligament. 2. Numbness of limbs: lumbar disc herniation may cause compression of nerves, due to the stimulation of tactile fibers and proprioception after compression of nerves, so the symptoms of numbness of limbs appear. 3. Sciatica: As the herniated intervertebral disc tissue causes compression on the nerve root, the symptoms of sciatica may appear, which is mainly manifested as the radiating pain in the lower back, buttocks, back of the thighs, outside of the calves, and feet. 4. Perineal sensory disorder: Herniated lumbar intervertebral disc may lead to compression of the cauda equina nerve, resulting in numbness or pain in the perineal area, and even dysfunction of urination and defecation. If any of the above symptoms occur, you should go to the hospital in time and receive standardized treatment under the guidance of your doctor.