Dural arteriovenous fistula surgical treatment mainly has craniectomy and interventional embolization surgery, any kind of treatment, there may be certain complications, as follows: 1, intracranial hemorrhage, cerebral infarction, mainly normal arteries or veins are disturbed by the interference damage during the operation, or postoperative redistribution of blood flow, there is a hyperperfusion situation, the patient manifested in the postoperative consciousness aggravation, apathy, poor concentration, and even coma, there are neurological disorders, such as hemiplegia and aphasia, if the amount of bleeding is large or the infarct area is large, it may lead to cerebral crisis. Even coma, and neurological dysfunction, such as hemiparesis, aphasia, etc. If the amount of bleeding or infarction area is large, it may lead to cerebral crisis, endangering the patient’s life, at this time, it is necessary to do CT and other tests as soon as possible to clarify the diagnosis, and then early for the second operation, craniotomy for hematoma removal or decompression surgery; 2, some patients may have epileptic seizures after the operation, depending on whether the patient has a history of epilepsy, the extent of the lesion, and whether the patient has a history of seizures before the operation. Some patients may have epileptic seizures after surgery, according to whether the patient has a history of epilepsy before surgery, the scope and location of the lesion, if the cortex is involved, it is recommended to give preventive treatment for epilepsy as early as possible before surgery. If it is clear that the infection is intracranial, give anti-infection and anti-inflammatory treatment as soon as possible; 4, after the interventional surgery, some patients may have neurotoxic reactions to vascular embolization and contrast agents, which are commonly manifested as nausea, vomiting and skin rash, and at this time, generally given to strengthen the rehydration as well as diuretic treatment, the symptoms may be relieved faster, and if necessary, given to the treatment of anti-allergic drugs.