In ancient times people think that the evil spirits in the annual night of October 31 to return to earth. In order to expel evil spirits, they will house the fire and the candle goes out, which makes the house very desolate, as if no one living in the same, so the evil spirits will not come into the house. They will deliberately wear very dirty, looks ugly, so evil spirits will not want to close them. In addition, they also know that evil spirits fear of noise, so they dressed in bizarre clothes (cos the streets. This is the origin of Halloween.