In life, we have all encountered the minor symptoms of mental discomfort, dizziness and headache. It is possible that this is just a period of irregular work and rest, resulting in a minor problem, as long as the good conditioning will be fine, so not too many people care. This condition also occurred recently in Zhengzhou, Henan Province, Xiao Li. I thought it was just the pressure of school that made me dizzy and headachey, but as time went on, the symptoms did not improve, and after arriving at the hospital, the doctor asked about the symptoms and past medical history in detail and decided to let Xiao Li do a cerebral angiogram. This examination actually revealed a rare form of smoker’s disease! Smog is a rare cerebrovascular disease. It does not have a high incidence and was first named in Japan. Because of the cerebrovascular examination, this cerebral angiogram is the gold standard for detecting smog. Fortunately, Xiao Li was found early and the disease has not yet expanded. If there is a large brain hemorrhage and brain infarction, then it is very likely to be life-threatening. For the sake of the child’s health, the hospital decided to perform surgery for smog after communicating with the patient and his family. There are two types of surgery for smog: direct bypass, indirect bypass, and a combination of both. The most effective procedure is the combined bypass procedure. The procedure combines the advantages of both procedures and has a higher cure rate. After the combined bypass surgery, the patient’s condition improved significantly and the blood supply to the brain recovered well. The symptoms of dizziness also disappeared. It is evident that even a small condition can be a big hidden problem, so do not take it lightly. In addition to dizziness, the symptoms of smog are mainly divided into cerebral ischemia and cerebral hemorrhage. Cerebral ischemia caused by narrowing of blood vessels can cause (headache, dizziness, lack of concentration). In more severe cases, it may cause (numbness of limbs and weakness of limbs). If more severe, it may cause (hemiparesis and aphasia, etc.). Brain hemorrhage caused by excessive dilatation of blood vessels may cause (sudden severe headache with nausea and vomiting) and other symptoms. The main cause of death from smog is also due to cerebral hemorrhage. Also smog can lead to cerebral infarction, which may lead to (visual field defects, aphasia, etc.) That is, if you have the above symptoms, the possibility of having smog cannot be ruled out. Therefore, if you have any of the above problems and there is someone in your family who has suffered from smog, you must step up your efforts to investigate, as there is a high chance that you have smog. Early treatment is the only way to reduce the risk of death.