Cinnabar is the sulfide mineral cinnabar family cinnabar, mainly containing mercury sulfide. Cinnabar is cool in nature, sweet in flavor and toxic. This product is toxic and should not be taken in large quantities, nor should it be taken in small quantities for a long time; it is forbidden for pregnant women and people with liver or kidney insufficiency. Cinnabar taken in moderation has the effect of clearing the mind, tranquilizing the spirit, brightening the eyes and detoxifying the toxin, and is clinically used in the treatment of epilepsy, palpitations, heartburn, insomnia, dizziness, dimming of the eyes, swelling and poisoning, sores and ulcers. The general dosage is 0.1~0.5g, a large amount of consumption will easily lead to cinnabar poisoning. This product is mostly used in pills and bulk, and should not be used in decoction. Appropriate amount should be used externally. This product is poisonous and should not be taken in large quantities or in small quantities for a long time; it is forbidden for pregnant women and people with insufficient liver and kidney functions. As this drug can cause mental disorders, nephrotoxicity, oral lesions and other adverse reactions when taken for a long period of time, it should be noted that the use of cinnabar needs to be strictly in accordance with the doctor’s instructions for medication, for pregnant women, liver and renal insufficiency is contraindicated.