The common causes of heel numbness are as follows: First, lumbar spine disease: the most common cause is due to lumbar spine disease, such as lumbar disc herniation compressing the nerve root, you can have the symptom of heel numbness. Commonly caused by lumbar 5 / sacral 1 disc herniation compression of the nerve, to check the lumbar intervertebral disc CT or MRI for diagnosis and treatment. Second, nerve-related diseases: inflammation of the nerves innervating the skin of the heel, or growth of tumors, can lead to symptoms of heel numbness. Third, compression factors: due to the tumor around the nerve or trauma, scar compression, can also lead to the symptoms of heel numbness, numbness, according to the patient’s medical history, physical examination, as well as examination of the nerve electromyography for diagnosis and treatment.