"Na" refers to "Nuo", the original meaning is to drive away evil spirits and epidemic diseases, the idol of ghosts and gods; The nemesis of evil symbolizes wrath, describing a hot-tempered and irritable temper, and hatred of evil. The two characters combined into one word are used to exorcise demons and demons, which means unstoppable power and invincibility. The name of this god is all-powerful and shocking to the world. The sound of weeping ghosts and gods represents the supreme divine power and the power to destroy the world.