The causes of numbness in hands and feet, dizziness and vomiting are as follows: a. If it is sudden, consider the possibility of cerebrovascular disease, mainly posterior circulation vascular lesions, such as brain stem infarction, brain stem hemorrhage, posterior circulation lesions leading to dizziness, nausea, vomiting, and numbness and weakness in hands and feet when the cone bundle is damaged. If it is cerebral hemorrhage, the patient can be given drugs for dehydration and reducing intracranial pressure, and if necessary, surgery. If it is ischemic cerebrovascular disease or cerebral infarction, the patient can be given symptomatic treatment such as antiplatelet aggregation, blood circulation and blood stasis, and removal of oxygen free radicals. Second, if the patient’s numbness of hands and feet, dizziness and vomiting appear slowly, clinically it can be seen as an occupying lesion in the posterior cranial fossa, and the lesion can be found after CT or MRI examination of the head.