Cinnabar and pig’s heart together can be used to relieve rapid heartbeat caused by excessive fire in the heart. Cinnabar has the efficacy of clearing the heart, calming the mind and detoxifying the toxin; pig heart has the efficacy of tonifying the blood, nourishing the heart, calming the mind and calming the toxin. Pig heart is sweet, salty and neutral in nature, and belongs to the heart meridian. It is used for insomnia and dreaming, mental trance, insufficient blood in the heart (insufficient blood in the heart), heart deficiency and sweating, spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with slight movement), palpitation and palpitation with fear and trembling (violent heartbeat, panic and restlessness), and so on. Cinnabar, sweet in flavor and slightly cold in nature, belongs to the heart meridian. It is used in treating palpitation (rapid heartbeat, often accompanied by panic), insomnia and dreaming, epilepsy and frenzy, pediatric convulsions (pediatric diseases with dizziness, apoplexy and convulsions as the main manifestations), and blurred vision. This drug is toxic, not to be taken in excess or continuously; pregnant women and people with abnormal liver function are forbidden to take; into the medicine should only be used in raw form, avoid fire calcination. Cinnabar and pig’s heart eaten together can both clear the heart and tranquilize the mind (stabilize the mind by getting rid of the inner vexation and heat), as well as re-calming the mind (stabilize the mind by using mineral and shell medicines), clearing the fire, and fixing the mind. Cinnabar should be applied under the guidance of a Chinese medicine practitioner, and should not be used on its own or consumed in excess for a long period of time.