Hand numbness and leg numbness are most likely due to transient ischemic attack, which is also called the precursor of TIA or cerebral infarction, and the causes of cerebral infarction mainly include high blood pressure, cerebral arteriosclerosis caused by high-risk factors, etc. The specifics are as follows: 1) Hypertension: Hypertension is a common cause of cerebrovascular disease. 2) Cerebral arteriosclerosis caused by high-risk factors: These include hyperlipidemia, diabetes mellitus, hyperuricemia, frequent smoking, obesity, and some patients of advanced age. Hematology, frequent smoking, obesity, and some elderly patients, the above risk factors will lead to cerebral arteriosclerosis, resulting in cerebral blood vessels appearing small embolisms, or blood vessels slowly form blood clots, therefore leading to stroke. The appearance of numbness in the hands and feet, must go to the neurology department of the regular hospital, through the examination, to find the risk factors, the appropriate drug treatment, intervention, to avoid the patient to have a real stroke.