The main symptoms of lumbar disc herniation include lumbago, radiating pain in the lower limbs, intermittent claudication, cauda equina syndrome (dull sensation in the saddle area, dysfunction of urination and defecation). 1. Lumbar pain: the main symptom of lumbar disc herniation is lumbar pain, which is also the earliest manifestation. It is mainly related to the compression of local nerves and blood vessels by the degeneration of intervertebral disc, rupture of annulus fibrosus and prolapse of nucleus pulposus. 2. Lower extremity radiating pain: As the lumbar disc herniation is mostly on one side, so the patient usually manifests lower extremity radiating pain on one side. It is mostly stabbing pain, radiating from the lower lumbar area to the buttocks, the back of the thighs, the outer side of the calves and the feet, mostly accompanied by numbness. 3. Intermittent claudication: When the intervertebral disc compresses the nerve root or the volume in the spinal canal becomes small, resulting in congestion and edema of the nerve root, the numbness and pain in the lower back worsens as you walk for a certain distance, and you need to sit down and rest for a while in order to continue walking, which is called intermittent claudication. 4. Cauda equina syndrome: Cauda equina syndrome occurs when the cauda equina nerve is compressed, and the patient will have dull sensation in the saddle area, dysfunction of urination and defecation and other manifestations. Symptoms may vary among patients with lumbar disc herniation. It is recommended that patients rest and seek medical attention when necessary.