Left hemiplegia caused by cerebral infarction has the hope of cure, and the details are related to the size and location of the lesion of cerebral infarction, the time of treatment and the treatment method. If the lesion of cerebral infarction is small, early thrombolytic treatment, active rehabilitation training, drug treatment and other methods, the prognosis of left hemiplegia caused by cerebral infarction is better, the effect of functional recovery is more ideal, and there is hope for a cure. If the lesion of cerebral infarction is large, the treatment time is late, and rehabilitation training is not adopted, the prognosis is worse and the hope of cure is small. Left hemiplegia caused by cerebral infarction is recommended to be treated under the guidance of doctors and therapists to promote its functional recovery.