The causes of facial numbness and hand numbness are as follows: first, the patient suddenly appears, clinically considered to be caused by cerebrovascular disease, seen in cerebral infarction, cerebral hemorrhage, transient cerebral ischemic attack, the patient is mostly accompanied by cerebral atherosclerosis risk factors, such as hypertension, hyperlipidemia, hyperglycemia and homocysteinemia, the patient has smoking, drinking and other bad habits, for cerebrovascular disease caused by hand numbness and facial numbness, the patient should be given Active treatment of cerebrovascular disease. Secondly, face and hand numbness, if they appear gradually and slowly, can be clinically seen in intracranial occupational diseases, patients with hand and face numbness accompanied by headache, after the head CT or nuclear magnetic examination can confirm the diagnosis, the treatment of patients given conservative dehydration, lowering cranial pressure, if necessary, surgical treatment. Third, facial numbness and hand numbness are also clinically seen in some patients with spinal cavernous disease, where patients have dissociative sensory disorders in the face, and cervical spine MRI can be performed if necessary.