Women arm numbness should be alert to cervical spondylosis, compressive peripheral neuropathy, cerebral infarction, spinal cord cavernosis and other diseases. 1. Cervical spondylosis: the more common disease that causes arm numbness is cervical spondylosis. The cervical spondylosis that can cause arm numbness is mainly nerve root cervical spondylosis and spinal cord cervical spondylosis. 2. Compressive peripheral neuropathy: median nerve compression, ulnar nerve compression, thoracic outlet syndrome, etc., can appear the symptoms of arm numbness. 3. Cerebral infarction: patients with cerebral infarction can also have arm numbness. If there is sudden numbness on one side of the arm, accompanied by numbness on the same side of the face or lower limbs, you need to be highly alert to cerebral infarction. 4. Spinal Cord Cavernous Disease (SCD): it often occurs in the cervical spinal cord, and may cause numbness in the arm, and may cause pain and loss of temperature sensation or disappearance. Women with arm numbness, it is recommended to go to the hospital, check the cause of timely treatment.