Cerebral infarction is already late if it takes more than 6 hours from the onset to the consultation, and 6 hours is the longest time window for thrombolysis at present. The most effective treatment for cerebral infarction is intravenous thrombolysis within the time window, and there are two types of drugs that are commonly used: 1) recombinant tissue-type fibrinogen activator, which has a time window of 3-4.5 hours; 2) urokinase, which has a time window of 6 hours. To use thrombolytic drugs, the patient must be able to arrive at the hospital within 6 hours of the onset of the disease, all contraindications must be ruled out, and these drugs can be used once the indications are met. It is possible to fully recanalize the patient’s blood vessels and restore the blood supply to the ischemic tissue without any sequelae. If the patient has exceeded 6 hours, it is important to visit the hospital as soon as possible, even if thrombolytic therapy is not possible, to assess whether the criteria for vascular intervention are met and to give routine treatment for cerebral infarction to prevent further aggravation of the patient’s symptoms, leading to increased signs of neurological deficits or life-threatening conditions.