Only when people have health can they enjoy life better, but nowadays many diseases appear silently and seriously reduce people’s quality of life, so people should be more careful. Smog is a serious disease, but because it is rare, most people do not know much about it, and when it is diagnosed, patients are dismayed. What is smog and can it be cured? But in fact, it is a cerebrovascular disease, mainly caused by the narrowing and occlusion of the main branches of the cerebral artery ring, resulting in the growth of many abnormal small blood vessels, which can be regarded as a cerebrovascular malformation, causing great impact on the blood supply to the brain. Patients with ischemic smog have transient cerebral ischemic symptoms, such as dizziness and headache, transient limb numbness and weakness, and in severe cases, aphasia, hemiparesis and impaired consciousness. The onset of hemorrhagic smog is quite acute, and surgery is required to control the bleeding volume in time to avoid irreversible damage. At present, some primary hospitals rely on conservative medication for the treatment of smog, but the medication is not significant and can only temporarily relieve some ischemic symptoms. Moreover, smog is a chronic progressive disease that worsens unconsciously, so it is recommended that patients should go to a professional hospital in a timely manner so that the doctor can do a careful examination and comprehensive assessment and take an effective surgical plan for treatment.