Cinnamon bark has the efficacy of dispelling wind, detoxification, astringent sores, and muscle growth, and its role is to treat dizziness, carbuncle (is a poisonous sore, occurring on the surface of the body, limbs, and internal organs of the acute suppurative disease) does not heal, and scalded, and so on. Cinnamon bark should be for the Chinese medicine longan shell, its correct use is externally grinded powder sprinkle or transfer compress, not recommended to soak water to drink. Longan shell belongs to a kind of Chinese medicine, taste sweet, warm, belonging to the lung meridian, with detoxification, astringent sores, the efficacy of muscle. Dizziness and deafness, burns and carbuncles have a therapeutic effect. The adverse reactions, contraindications and precautions of Longan Shell are not clear. When using medication, be sure to consult a Chinese medicine practitioner to identify and guide the use of medication, do not use medication arbitrarily.