Numbness of the head may be due to the following reasons: 1, cervical spondylosis: cervical spondylosis due to cervical spine osteophytes and herniated discs, compression of the cranial nerves, which can lead to patients with posterior occipital headache, numbness and other phenomena, you need to go to the hospital’s Department of Neurology, can be relieved by taking the relevant medication. 2, cerebral arterial insufficiency: in particular, chronic insufficiency of the cerebral arterial supply of blood, mainly seen in the elderly over 60 years of age In addition, there are high blood pressure, hyperlipidemia, diabetes mellitus, leading to long-term chronic insufficient blood supply to the skull, the scalp is sometimes ischemic, there will be numbness. 3, cerebrovascular disease: mainly refers to the intracranial occurrence of cerebral arteriosclerosis, cerebral leukoarthritis, as well as cavernous cerebral infarction, and these factors may also lead to the phenomenon of patients with numbness of the scalp.