Stents cannot be placed in smokers’ disease, and vascular bypass surgery can be chosen according to the condition. Smoke disease is a cerebrovascular disease characterized by severe stenosis or occlusion of the siphon of the internal carotid artery, the anterior cerebral artery and the beginning of the middle cerebral artery, and compensatory hyperplasia of small blood vessels, such as the molluscum arteriosum and perforating arteries, to form an abnormal vascular network at the base of the brain. Ischemic cerebrovascular disease or cerebral hemorrhage may occur. Currently, vascular bypass surgery is mainly adopted, which can improve the blood supply to the base of the skull, and local cerebral ischemia can be restored after surgery. When the onset of smog disease, patients can appear dizziness, headache, nausea, vomiting, seizures and other symptoms, the onset of the disease should immediately go to the hospital neurology department, under the guidance of the doctor to improve the auxiliary examination, a clear diagnosis should be timely treatment, to avoid delaying the condition.