The Filer is a large hunting dog that looks very ferocious, but is very obedient to its owner and relatively gentle to children. The Filler dog is relatively large, with strong and strong limbs, fast running speed and strong explosive power, so it is not easy for ordinary people to control it.
In addition, the Filer dog is very aggressive towards strangers. If a stranger appears in its territory, it will show They are highly alert and may attack strangers, so many people choose to raise Filer dogs as guard dogs, and Filer dogs have become one of the banned dog breeds in many countries.