Not expensive. According to Beijing local treasure's inquiry, as of September 12, 2023, the market price of cinnabar ranged from one gram in 20 yuan to one gram in 50 yuan, and the price of cinnabar sold in Beijing Long Mai No.9 ranged from one gram in 35 yuan to one gram in 50 yuan, which was reasonable. Cinnabar is a traditional Chinese medicine for clearing heart fire and calming nerves, which can treat palpitation (rapid heartbeat, often accompanied by palpitation), convulsion, epilepsy and sores.