According to experts, many stroke patients in China are very young, stroke is not limited to the elderly group, with the improvement of social and economic standards and lifestyle changes, the awareness of early prevention and early diagnosis and treatment gradually increased, about the signs of stroke, please keep in mind, if necessary, can help us quickly identify. The “F” stands for the face of a person. First, observe whether the face has a crooked mouth and drooping face. The “A” represents the limbs of the person, see whether the limbs appear to be hemiplegic, walking weakness. The “S” represents the language of the person, pay attention to the fluency of speech, mouth distortion, whether the other party can hear; “T” represents the time, see whether the duration of cerebral infarction is a few minutes or a few hours after the occurrence of the infarction, through these aspects, you can determine the degree of cerebral infarction. It is understood that the prime time for stroke is generally 4-5 hours, if someone has a stroke, how can people make scientific and effective emergency treatment in these few hours? If someone has a stroke, people around must keep quiet, open the window to let fresh air in, keep the air flowing, untie the patient, trouser belt, do not move the patient’s position, be sure to call 120 in time to send medical treatment.