Materials and methods: All the patients treated by endovascular intervention for the treatment of brain dural arteriovenous fistula at Cho Ray hospital from June 2015 to January 2017. The techniques for treatment of brain dural arteriovenous fistula include cerebral angiography diagnosis, transarterial and / or transvenous approach, microcatheter had reached the fistula point, embolization was performed with Onyx, n-BCA glue or coils.