Compression of nerves by a herniated lumbar disc often manifests as low back pain, pain, numbness, and decreased strength in the lower extremities. In addition, depending on the herniated lumbar disc, the affected nerves are also different, which may manifest as sensory disturbances in the lateral calf, medial dorsalis pedis, heel and lateral dorsalis pedis, anterior medial calf, etc., and weakened tendon reflexes in the lower limbs. At the same time, it may also manifest as a positive pull sign test, sciatica and low back pain when the knee joint is straightened and the lower limb is raised, sciatica is enhanced when the lower limb is raised and internally rotated, and the pain is aggravated when the lower limb is raised and the foot is dorsiflexed.