The patient’s right hand has numbness of the little finger, this situation is considered the most likely to be caused by cervical spondylosis, because the nerve root cervical spondylosis will lead to its neighboring nerve root stimulation, as well as compression, so there will be numbness of the little finger. Of course, we should also pay attention to the numbness caused by cold stimulation, as well as the numbness caused by excessive fatigue, if the thumb appears red and swollen, we should also pay attention to the existence of rheumatism and osteoarthritis and other diseases caused by numbness of the fingers. For patients with numbness of the fingers should be examined to determine the cause, especially for cervical spine examination and neurological examination, such as cervical spine parts of the light film examination and brain imaging examination, such as magnetic resonance imaging (MRI), CT, etc., to determine the specific causes of numbness of the little finger before considering targeted treatment.