(If reproduced, please specify the source.) First of all, what is a stroke? Zhao Jing of Xuanwu Hospital Health Screening Center of Capital Medical University Stroke occurs when the blood flow supplying the human brain becomes impaired, including blockage of blood vessels (ischemic stroke) and ruptured blood vessels bleeding (hemorrhagic stroke). Second, if you suspect that you or a family member is suffering from a stroke, do not ignore the condition or rationalize the existing symptoms, call the emergency number immediately and go to a hospital that is equipped to perform thrombolytic therapy and related tests. Third. How can I tell if I have had a stroke? It is recommended that you use the simple “FAST” scoring system to assess yourself. If one of the three scores is positive, the chance of having a stroke is 72%! A (Arm): Can you lift your hands smoothly? S (Speech): Can you (he) answer fluently? If any of the above three items are present, please call the emergency number 120 immediately. Please send the patient immediately to a hospital that has experience in thrombolytic treatment and has the conditions and ability to treat the patient.