Cerebral ischemia includes cerebral ischemia and cerebellar brainstem ischemia. In cerebral ischemia, patients may experience darkness in front of the eyes, and in some cases, they may experience sensory and motor dysfunction on one side of the limb, as well as hemianopsia quadrant blindness. In the case of left-sided cerebral ischemia, patients may experience speech dysfunction, including aphasia and dysarthria. In the case of cerebellar brainstem ischemia, patients can present with dizziness, balance disorders, ataxia, and in some cases nystagmus and diplopia, as well as dysphagia, choking on drinking water, and also explosive speech. Patients with cerebral ischemia, which usually occurs in middle-aged and elderly people, can be treated with oral aspirin for anti-platelet aggregation. It can also be treated with drugs to improve blood circulation, such as Shu Xuning, Vibramycin Lutong, Danshen, Safflower, Panax ginseng, and can also be applied with Cipro and so on.