Numbness and pain in the middle finger may have the following reasons: 1) cervical spondylosis, when cervical spondylosis compresses the nerve root, numbness and pain in the middle finger can occur, and the numbness and pain will be aggravated when the head is inclined to the affected side, and the X-ray and magnetic examination of cervical spine should be carried out for the diagnosis and treatment. 2) tumor in the head, when there is a space-occupying tumor in the head, the nerve can be compressed, and numbness and pain of the middle finger will appear, When there is a tumor in the head, it can press the nerves and cause numbness and pain of the middle finger, which can be accompanied by the symptoms of weakness of the fingers or upper limbs, and it is impossible to perform simple movements in daily life. 3, peripheral nerve compression, for example, carpal tunnel syndrome in the wrist joint, which can cause numbness and pain of the middle finger. At this time, we should carry out the examination of the wrist joint and electromyography for diagnosis and treatment, and if necessary, we need to carry out surgical release.