Causes of heel numbness has many reasons, common are the following three cases: First, nerve compression, caused by nerve compression of the common diseases are lumbar disc herniation, pyriformis syndrome, these two diseases will be compressed to the sciatic nerve, and heel skin sensation is innervated by the sciatic nerve, so the sciatic nerve damage often causes numbness of the heel, and the ankle-tube syndrome caused by sprains, is also a symptom of the nerve In addition, the ankle tube syndrome caused by sprain is also a symptom of nerve compression, which can also cause numbness of the heel. Second, peripheral neuritis, caused by peripheral neuritis common causes of diabetes, B vitamin deficiency and the use of certain chemotherapy drugs, in addition to rheumatoid arthritis can also cause peripheral neuropathy, causing numbness of the heel. Third, local blood circulation disorder, some causes can cause local blood circulation disorder, even the heel of the shoe is not suitable shoes will squeeze the local, resulting in blood circulation disorder, because the nerve is dependent on the blood supply, blood circulation disorder will cause the nerve nutritional dysfunction, resulting in numbness.