In the management of carotid cavernous fistula, detachable balloon has become the treatment of choice.However, technical difficulties are not uncommon, and transarterial balloon embolization fail in 5% to 10% ofcases. Failure occurs because in some patients, the fistula orifice may be too small to allow entry. Using atracker catheter system with Guglielmi detachable coils, we achieved successful transarterial occlusion of acarotid cavernous fistula with a small fistula.