Fresh cinnamon is used in medicine under the name of Longan, which has the effects of tonifying the heart and spleen (tonifying the heart and spleen with nourishing drugs), nourishing the blood and tranquilizing the mind (stabilizing the mind and soothing the emotions by nourishing the blood), and is mainly used in the treatment of forgetfulness and insomnia, deficiency of qi and blood, palpitations (rapid heartbeat, often accompanied by panic), palpitation (violent heartbeat, panic), and blood deficiency withering and yellowing, among other conditions. Longan is warm in nature, sweet in taste, belongs to the heart, spleen meridian, has the effect of tonifying the heart and spleen, nourishing blood and tranquilizing the mind, when treating palpitations, insomnia and forgetfulness, it is often used together with Angelica sinensis, jujube nut and Astragalus; when treating irritability and insomnia, and loss of appetite, it is often used together with Panax ginseng, Angelica sinensis and hawthorn. The adverse effects of longan are not clear, and it is contraindicated for people with dampness (too much dampness leading to fullness and discomfort in the spleen and stomach) or those who have stopped drinking (water stays in the body), phlegm, or fire. When consuming cinnamon as medicine, it is recommended to consult with a local physician and consume under the physician’s guidance to identify the symptoms.