The aura of stroke is as follows: 1. language disorder: most of the aura before stroke is language disorder, mainly manifested as unfavorable language, slurred speech, spitting difficulty, aphasia, or even unable to express their own meaning; 2. visual abnormalities: before stroke, the main visual manifestation is a transient black blindness, but often recover after a few seconds; 3. consciousness disorder: in In terms of consciousness, the aura of stroke is mental depression, feeling sleepy and drowsy, or even loss of consciousness. 4. The most important symptoms are slanting of the corners of the mouth, salivation, lack of strength in one limb, inability to lift the arm, inability to walk with one foot on the ground, or even inability to stand, and sudden loss of strength and fall; 6. Unbearable this headache, some can also be accompanied by nausea, vomiting; 8, other aspects: there may also be manifested as general weakness, sweating, low fever, palpitations and the sudden appearance of vomiting, nasal bleeding symptoms; the above are the signals that suggest stroke, which is the precursor of stroke. At this time, the patient should remain quiet, timely bed rest, avoid mental tension, or should let family members call 120 to the hospital as soon as possible.