Some parents have asked me if children with smog can be cured after the patching procedure. Children are the heart of their parents, and when a child has this rare form of smog, parents must be anxious to find a way to treat the child so that he or she can be cured as soon as possible. This brings us to the treatment of smog. Parents may have taken their children to many places for medical treatment, and some doctors may recommend patching surgery, so parents ask whether children with smog can be cured after patching surgery. For this question, it should be said that there is a greater possibility of healing with patching surgery. Patch surgery is a common treatment for smog, and there is also direct bypass surgery and combined vascular bypass surgery. Some people may ask what is patching surgery, what is direct bypass surgery, and what is combined vascular bypass surgery. I will explain first, direct bypass surgery is to receive the extracranial blood vessels into the cranium, and intracranial ischemic blood vessels for bypass anastomosis, directly and rapidly improve the intracranial blood supply; patch surgery is to cover the brain surface with extracranial vascular regeneration ability, to grow new blood vessels into the cranium, in order to improve the purpose of blood supply; and combined vascular bypass surgery is to combine direct bypass and patching in the same The combined vascular bypass surgery is a combination of direct bypass and patching in the same surgery. Parents ask whether children with smog can be cured after patching surgery, there is a greater possibility of healing, because the extracranial tissue of children, which is the factor we choose for patching, has a very strong vascular regeneration ability, which is better than that of adults, and most of them can form a better blood supply compensation with a good prognosis. However, there is a disadvantage of the patching procedure, that is, the effect time is slow, generally need about six months to grow new blood vessels, to achieve improved blood supply. During this period, there is still the possibility of cerebral infarction, cerebral hemorrhage, etc., which may even cause irreversible consequences in serious cases. Direct bypass is very fast, and it can supply blood to the skull quickly after surgery, but it has the disadvantage that the scope of blood supply improvement is rather limited. Therefore, direct bypass alone and patching alone are not ideal. In this regard, combined vascular bypass surgery is recommended, and a lot of clinical practice has been conducted in the clinic, and many pediatric smog patients have been seen, and combined vascular bypass surgery is usually performed for the children. Combined vascular bypass surgery, direct bypass and patching are done at the same time, the large vessel anastomosis is smooth, multi-factor patching, double insurance, not only can improve the blood supply rapidly through direct bypass, prevent the reoccurrence in the short term, but also can induce the formation of neovascularization through multi-factor patching to further expand the scope of blood supply improvement, which can achieve good results. After years of follow-up, all the children with smog treated by combined vascular bypass surgery recovered well in the later stage, and many of them went to their ideal universities.