What kind of herb is Dragon Bone?

Dragon’s Bone is a traditional Chinese medicine for tranquilizing the mind (using drugs such as ores to stabilize the mind), and specific medication should be prescribed by a doctor.
Dragon bone is the fossilized bones of ancient large mammals such as elephants, rhinoceroses, deer, three-toed horses, and cattle, etc. It is sweet, astringent, and flat in nature, and belongs to the heart, liver, and kidney meridians, and has the efficacy of pacifying the liver and submerging yang (suppressing too much yang qi in the liver), calming and tranquilizing the mind, astringing and consolidating astringency (converging and consolidating), and collecting dampness and astringing sores (decreasing the invasion of dampness and evil spirits to promote the healing of sores).
Dragon’s Bone is mainly used for the treatment of mental restlessness, palpitations and insomnia, epilepsy, epilepsy, vertigo, spermatorrhea, hypoglossia, deficiency sweating, collapse and leakage (excessive menstruation or more than a few drops), and eczema, itchy sores and ulcers after ulceration after a long period of time. The adverse effects and contraindications of the drug are not clear.
At present, the drug has not been included in the Chinese Pharmacopoeia, if you need to use the drug, it is recommended to use under the guidance of a professional physician to identify the evidence, not blindly self-medication.