The sequelae of craniotomy for vascular malformations of the brain are treated according to the specific situation. Each person’s condition is different, the degree of sequelae is also different, the vast majority of cases are able to cure the disease, and there is no sequelae, but in the clinic may also appear in certain cases. The most common aftereffects are dizziness and headache, because the process of craniotomy can damage the surrounding nerve tissue and blood vessel tissue. The later appearance of abnormal complications of cerebral hemorrhage, the need to actively carry out the appropriate treatment, the most serious is the state of plant survival in the process of surgery, cerebral vascular deformity is too huge, want to complete the removal of the normal function of the brain, it will destroy the normal function of the brain. Caused by the plant survival state will cause numbness and weakness of the limbs, speech dysfunction and other conditions. It depends on how the specific cerebrovascular malformation is at the time.