Patients with cerebral ischemia can take Panax ginseng powder orally to improve their symptoms. The main symptom of cerebral ischemia is vertigo. In Chinese medicine, if vertigo is identified as the type of Qi deficiency and blood stasis, taking Panax notoginseng powder is more appropriate. Panax notoginseng powder has the effect of activating and tonifying blood, which can improve blood circulation in the brain, activate blood circulation, remove blood stasis and soften blood vessels. Pharmacological studies have also confirmed that long-term consumption of Panax ginseng powder has a certain effect on preventing atherosclerosis, so when the patient is suffering from cerebral ischemia, he can improve the symptoms of dizziness by taking Panax ginseng powder orally. Cerebral ischemia is usually caused by cerebral atherosclerosis, so patients should prevent the risk factors of cerebral atherosclerosis, have a low salt and low fat diet, strictly control blood pressure, blood lipids and blood sugar, and avoid damage to the vascular endothelium caused by smoking and drinking alcohol.