People are afraid of cerebrovascular diseases, and smog is a rare cerebrovascular disease that not many people know about, but it is important to note that the dangers of smog cannot be underestimated. Smog can lead to cerebral ischemia, cerebral infarction, and seizures, all of which can be very serious. Therefore, once suffering from smog, patients should be aware of the disease and receive active and effective treatment to reduce the damage as much as possible. Patients with smoker’s disease often experience headaches and dizziness, and sometimes feel weakness in the limbs, very drowsy and weak, and their memory may be significantly reduced, and some patients may experience slurred speech. Some more serious patients will have a sudden severe headache, nausea and vomiting, and even fainting, which can easily cause hemiplegia and disability, so we must pay attention to it. Smog is a far-reaching disease, and treatment should not be delayed. However, many local hospitals are not good at treating smog and are not professional enough, so treatment has failed repeatedly, which makes many patients feel frustrated. Some hospitals use simple patching surgery to treat smog, which does not improve the blood supply after surgery because new blood vessels cannot be formed. Other hospitals use simple direct bypass surgery, which also has certain problems, such as limited blood supply improvement. Can I still have surgery for failed smoker’s disease surgery? The traditional patch surgery and the simple direct bypass surgery both have certain problems, and there is a chance of failure after surgery. Combined vascular bypass surgery has successfully overcome the limitations of traditional treatment. It is a method that combines direct bypass and patching at the same time, which is a more comprehensive treatment and really plays a two-pronged role, and can form new blood vessels and effectively change the blood supply, which is an extremely effective method for treating smog disease.