There are many causes of heel neuralgia, mainly local factors, pyriformis syndrome, lumbar disc herniation, lumbar spinal stenosis and so on. 1. Local factors: heel neuralgia can be caused by trauma, cold, excessive fatigue, tumor invasion and so on. 2. Piriformis syndrome: Piriformis syndrome can compress the sciatic nerve when it is serious, causing sciatica in the lower limbs, so it can affect the heel. 3. Lumbar disc herniation: Lumbar disc herniation can compress the nerve roots, thus causing sciatica in the lower limbs, which leads to heel neuralgia. 4. Lumbar spinal stenosis: Lumbar spinal stenosis can irritate and compress the nerve roots, which can also cause the phenomenon. There are many other causes of heel neuralgia, after the symptoms, it is recommended to go to the hospital in a timely manner to improve the examination, after diagnosis to take standardized treatment, do not ignore the symptoms, take it lightly.