The symptoms of pinprick pain in the middle finger may be caused by a variety of reasons, physiological factors are seen in the environmental stimuli, pathological factors are seen in the nail groove inflammation, cervical spondylosis and diabetes mellitus complications and so on. 1. Physiological factors: generally in the cold air or after encountering ice water, the fingertip blood vessels suddenly contracted, may appear in the middle finger prick pain, at this time do not worry too much, do a good job of warm measures can relieve the pain. 2. Pathological factors (1) Trenchitis: Trenchitis lesion infection leads to the end of the finger sensory impairment, there may be symptoms of pinprick pain. (2) Cervical spondylosis: after the cervical disc herniation compresses the seventh cervical nerve root, it leads to the compression of the median nerve, which may also cause pinprick pain in the middle finger. (3) Diabetes mellitus: advanced diabetes mellitus may be complicated by peripheral neuropathy, resulting in sensory disturbances in the endings of the limbs, which may cause the pain of the middle finger. The middle pointer tingling should be treated according to different causes. If the symptoms continue unrelieved, should go to the hospital in time, under the guidance of the doctor standardized treatment.