Sudden numbness of the fingers, no feeling may be due to cervical spondylosis, due to cervical spine joint protrusion or degenerative disease, blood vessels and nerves around the cervical vertebrae are easy to be compressed and involved, many nerves of the upper limbs are branching from the cervical spine area, the blood vessels and nerves of the upper limbs are also susceptible to the influence of cervical spondylosis, leading to blood vessels and nerves are compressed, which will lead to sudden numbness of the fingers, no feeling of the case of clinical This symptom is a common symptom of cervical spondylosis. Sudden numbness of the fingers, no feeling can also be considered peripheral neuritis, peripheral neuritis will lead to local sensory dysfunction of the endings of the limbs, mainly manifested as numbness of the fingers, no feeling. Clinically, diabetic patients can also cause peripheral neuritis, resulting in sudden numbness of the fingers, the symptoms of insensibility, cerebrovascular diseases such as cerebral hemorrhage, brain tumors can also cause sudden numbness of the fingers, the symptoms of insensibility.