Treatment methods of ischemic cerebrovascular disease: 1. Early identification: call 120, emergency telephone or local emergency telephone as soon as possible after the onset of the disease, so that the patient can be rescued by the doctor at the first time; 2. On-site intravenous thrombolytic therapy: if the emergency vehicle is loaded with CT and necessary rapid test equipment, CT scan and laboratory examination can be performed on site, and intravenous thrombolytic therapy should be performed within 4.5 hours; 3. Mechanical thrombolytic therapy: large Patients with vascular occlusion, after arriving at the hospital, if more than 4.5 hours, need to directly use mechanical thrombolysis treatment within 6 hours.