Numbness in the right hand is caused by nerve pressure or stimulation, and the common causes are carpal tunnel syndrome, cervical spondylosis, neuroinflammation and several other aspects. 1, carpal tunnel syndrome: now people often have to sit in front of the computer work or often repeated hand movements, resulting in nerve pressure and cause numbness in the right hand. In addition, incorrect sleeping posture, sitting posture, etc. are also causes of numbness in the right hand. 2, cervical spondylosis: because the cervical spine can cause a certain stimulation of the spinal nerve and pulling action, so if there is a serious cervical spondylosis patients, it is easy to cause edema, sticky situation of the tissue around the spinal nerve, thus causing the symptoms of right hand numbness. 3, nerve inflammation: nerve inflammation caused by hand numbness is more serious, usually accompanied by weakness of the limbs, cold, diarrhea and other conditions, it often occurs in patients with diabetes. These are the three specific reasons for numbness in the right hand, usually numbness in the right hand in a relatively short period of time will disappear on its own, but if the hand numbness lasts longer, must not be taken lightly, to go to the hospital as soon as possible to identify the cause, in order to prevent delays in the disease.