Numbness of the little toe can be caused by the following reasons: first, toe neuritis and toe neuroma, these two diseases can lead to nerve damage in the toe, and the symptoms of numbness in the toe, then it is necessary to check the nerve electromyography and physical examination to diagnose and treat. Secondly, peripheral nerve compression, when the peripheral nerve innervating the little toe is compressed, the symptoms of numbness in the little toe can appear, which should be diagnosed by early medical examination and early nerve nutrition therapy as well as physical therapy and closure therapy. Third, dermatomal neuritis, when the dermatomal nerve of the little toe has chronic inflammation, can also have the symptoms of numbness of the little toe, it is necessary to early physical examination, early nerve nutrition and physical therapy.