Numbness of the head and face is caused by the damage or pressure on the nerves innervating the local area, and the specific causes are as follows:1, numbness of one side of the head and face, accompanied by speech stupidity, limb weakness, consider whether there is the occurrence of cerebrovascular disease, such as cerebral thrombosis, small amount of cerebral hemorrhage, etc., go to the Department of Neurology to do brain CT or MRI can be diagnosed.2, peripheral facial paralysis. Early onset without facial paralysis, head and face numbness symptoms can occur, so it is considered to be the aura of facial paralysis. 3, cervical spondylosis can cause numbness of the whole head and face, but the head is mainly accompanied by dizziness, etc., if necessary, carry out the cervical spine film or cervical spine MRI. 4, spinal cord lesions, such as spinal cavernous disease, subacute joint degeneration, etc., can appear repeated head and face numbness and discomfort, with a clear history of disease, accompanied by other obvious characteristic manifestations, check the MRI, etc. Characteristic manifestations, such as magnetic resonance examination can confirm the diagnosis. 5, anxiety, emotional tension, emotional instability, can also lead to the occurrence of this symptom.