Dragon Bone is a traditional Chinese medicine that is used clinically for treating conditions such as restlessness of the heart and mind, and insomnia due to dizziness (violent heartbeat and panic attacks). Dragon bone has a sweet, astringent flavor and a flat nature, and is attributed to the heart, liver and kidney meridians. Dragon bone is the fossilized skeleton of ancient large mammals such as elephant, three-toed horse, rhinoceros, deer and cattle, etc. It has the effect of stopping panic and tranquilizing the mind, calming the hyperactive liver yang, astringent and solid astringent (astringent and consolidating), and is used in the treatment of restlessness of the heart and mind, insomnia and panic disorder, epilepsy, liver yang vertigo, itchy eczema and itchy rashes, and sores and ulcers not being healed for a long time. The adverse reactions of Long Bone are not clear, pay attention to those who are damp-heat accumulation and stagnation should be taken with caution. Long bone in the drug before, need to be identified by a doctor and follow the doctor’s instructions to use, can not be self-medication.