Under normal circumstances, patients with high blood pressure will not experience numbness of the feet, but once patients with high blood pressure experience malignant hypertension, hypertension of degree 3 or more, or even hypertensive crisis, hypertensive encephalopathy resulting in increased intracranial pressure, for example, high pressure of 180mmHg or more, low pressure of 120mmHg or more, cerebrovascular accidents will occur and lead to numbness of the feet. At this time, the patient should immediately go to the hospital for treatment, and at the same time give heart rate, blood pressure, pulse, arterial oxygen saturation and other vital signs monitoring. As soon as possible to complete the relevant examinations, including head CT, head nuclear magnetic, electrocardiogram, kidney function test, after completing the relevant examinations, once the patient because of cerebral hemorrhage, cerebral embolism, cerebral infarction or transient ischemic attack caused by numbness of the feet, must be immediately hospitalized, and symptomatic application of drugs for cerebral protection therapy, and at the same time, systematic and smooth lowering of blood pressure.