If there is numbness in the right hand, it may be caused by cervical spondylosis, which is usually caused by poor posture habits such as prolonged head bowing, cervical spondylosis can compress the nerves radiating to the hand causing numbness, usually accompanied by stiffness and pain in the neck and other uncomfortable symptoms, need to do CT or MRI examination of the neck to clarify. For numbness in the hands caused by cervical spondylosis, physical therapy, traction, acupuncture and other treatments are needed for the cervical spine, and in severe cases, minimally invasive surgery should be considered. Hand numbness may also be due to peripheral neuritis caused by diabetes, which requires strict control of blood sugar and nerve-nourishing drugs. Numbness in the hands can also be caused by cerebral infarction or cerebral hemorrhage, which requires CT examination of the head, or peripheral nerve entrapment.