There is no “fastest” way to treat arm numbness. Numbness of the arm needs to be based on different reasons to choose the corresponding treatment, the cause may be physiological factors, cerebrovascular disease, cervical spondylosis, etc., can be used to improve the massage, acupuncture, drugs and other methods. 1. Physiological factors: if you sleep for a long time compression of the arm, will lead to poor blood circulation under the action of gravity, and arm numbness, can be improved by changing the sleeping position, appropriate massage. 2. Cerebrovascular disease: the most common in stroke, at this time there can be numbness of the arm, often accompanied by hemiplegia of one side of the limbs, crooked corners of the mouth, slurred speech and other symptoms. For arm numbness can use acupuncture, physical therapy to improve, but also can use aspirin, methylcobalamin and other drugs. 3. Cervical spondylosis: cervical spine osteophytes, cervical spine disc herniation compression of the nerves can cause numbness of the arm, but also dizziness, nausea and vomiting and other discomforts, can be acupuncture, drugs or surgical treatment, the drug can be taken methylcobalamin and so on. If the numbness of the arm continues to be unrelieved or has aggravating symptoms, you should go to the Department of Neurology or Orthopaedics for further examination in a timely manner, and follow the doctor’s instructions to use medication, avoid self-medication.