Numbness of the right little toe is common in the following diseases: first, consider peripheral neuritis, such as in the advanced stage of diabetes may appear peripheral neuropathy, can appear to the toes or fingers numbness, numbness is like wearing gloves, socks and gloves. Second, consider the toe nerve contusion of the little toe, may be due to trauma, may appear toe nerve innervation area of the little toe numbness, discomfort. Third, consider local skin allergies, such as mosquito bites or chemical contact, can appear red, swollen, painful, itchy toes, sometimes can feel the little toe numbness or abnormal sensation.