1.Control known risk factors: patients with transient ischemic attack, heart disease, diabetes mellitus and hypertension should be actively treated. 2.Adopt reasonable dietary habits: advocate eating low-cholesterol, low-fat, low-salt and low-sugar foods, diversify foods, and change bad tobacco and alcohol habits. Take appropriate medication and physical exercise. 3.Attention to the precursors of hemiplegia aggravation: If there are symptoms such as headache, numbness of half side of the face, inflexible fingers, unsteady walking, etc. appearing or aggravating, one should go to the hospital immediately. 4.Prevent complications: such as respiratory tract infection, urinary tract infection, deep vein thrombosis, pressure ulcers and so on.