Numbness of the right hand may be due to localized pressure, cervical spondylosis, carpal tunnel syndrome, cerebral ischemia, diabetic peripheral neuropathy, etc. The fastest way to solve the problem is to address the cause of the problem with medication or surgery. 1. Prolonged compression of the right hand and arm can lead to local blood circulation disorders, and thus numbness of the right hand. Maintaining a correct sleeping posture and avoiding long-time compression of blood vessels and nerves in the arm can solve the problem. 2. Cervical spondylosis: Cervical spine disc hyperplasia protrudes and compresses the right side of the cervical nerve root, resulting in numbness of the dominant right hand. The fastest way to solve the problem is through traction, massage, physical therapy or surgical treatment. 3. Carpal tunnel syndrome: the ulnar nerve is compressed by the factors such as occupation and exudation in the right carpal tunnel, so the right hand is numb. Prednisolone acetate can be injected into the carpal tunnel, and the transverse carpal ligament can be surgically incised to relieve the pressure if necessary. 4. Cerebral ischemia: internal carotid artery, vertebral artery atherosclerotic lesions and other factors lead to narrowing of the lumen, insufficient blood supply to the brain, local brain dysfunction and numbness of the right hand. You need to take aspirin, clopidogrel, atorvastatin and other medications, and if necessary, you can intervene to place a stent treatment. 5. Diabetic peripheral neuropathy: patients with high blood sugar for a long time lead to chronic complications of peripheral neuropathy, and numbness of the right hand occurs after involving the right arm nerve. Taking metformin, dagliflozin, rosiglitazone and other hypoglycemic drugs or subcutaneous injection of insulin hypoglycemic treatment, and with methylcobalamin, epothilone, lipoic acid and other nutritive nerve medication to solve the fastest. Pay attention to the use of drugs under the guidance of physicians.