How does cinnabar ward off evil spirits and how to use it?

Cinnabar generally has the effects of clearing the heart, calming the nerves, improving eyesight, calming the nerves and detoxifying. Generally used in Chinese medicine, it can relieve insomnia, palpitation, convulsion or epilepsy, and improve aphtha, blurred vision, convulsion and so on. Exorcising evil spirits is just a way of saying. If a child is frightened, he can calm down. It's not necessarily a bad effect. Pay attention to pregnant women and patients with liver and renal insufficiency, and should not be used. And is not suitable for large-scale use.