According to research data, there are many rare diseases in the field of modern medicine, for which many experts are at their wits’ end due to their complex causes, diverse symptoms and difficulty in treatment. Smog, as one of the many rare diseases, poses a major threat to human health. So, how is smog formed? How is it treated? Which department should I consult for smog? How does smog develop? Smog was first discovered by the Japanese in the middle of the last century. When patients underwent cerebral angiography, the results appeared like a wisp of smoke floating in the air, and people called it smog based on this condition. The cause of smog has been a hot topic of discussion in the medical community, and despite more than half a century of research, experts have not yet given a reasonable explanation due to the uniqueness of its pathology. Some experts suspect that smog may be related to genetic factors, while others believe that it is an acquired disease formed due to metabolic cerebrovascularity. However, there is not enough scientific evidence to prove either theory. What is the treatment for smog? The cause of smog is not clear, but treatment is still available. The current medical community has clearly given me the verdict: traditional drug treatment not only has little effect, but may also contribute to the aggravation of the disease, such as the occurrence of cerebral hemorrhage. The combined vascular bypass surgery is the gold standard for the treatment of smog in China, which is a combination of direct bypass and indirect patching. The two procedures are done simultaneously in one surgery, with direct bypass quickly establishing a bypass blood channel to rapidly improve local blood supply, while a large area of multi-factor patching is applied to the brain surface to induce the formation of new blood vessels and improve brain blood supply on a larger scale. Which department should I consult for smoke disease? The reconstruction of a good cerebral blood flow environment through surgical manual intervention is fundamental to the treatment of smog.