Most strokes can be prevented. We need to correct misconceptions and unhealthy lifestyles, and consciously avoid risk factors for stroke; in addition, we should pay attention to pathological changes that have already formed in the body, such as carotid plaque causing stenosis, and regularly screen for stroke risk factors to detect disease problems early, so that early prevention, early diagnosis, and . Early treatment can effectively prevent the occurrence of stroke. Effective treatment including lysis within 3 hours after stroke can save part of the brain tissue that has not yet been necrosed, greatly improve the prognosis of patients, reduce the mortality and disability rate, and some patients can recover completely without leaving any after-effects. However, less than 2% of patients in China can reach the hospital in time and receive lysis treatment.