Cinnamon generally refers to the Chinese herbal medicine dried cinnamon, soaking water correct method is to first put in the right amount of dried cinnamon, pour the right amount of boiling water, after 15 minutes can be taken. Dried cinnamon is the aril of longan, a plant of the family Sapindaceae. It belongs to the spleen tonic and qi tonic medicine. Dried gui yuan, also known as longan meat, enters the heart meridian, spleen meridian, sweet flavor, warm nature, internal and external use can be. Drinking water has limited active ingredients and generally fails to achieve therapeutic effects. Dried cinnamon has the effect of tonifying the heart and spleen (using tonic drugs to tonify the heart and spleen), nourishing the blood and tranquilizing the mind (by nourishing the blood to stabilize the mind and soothe the emotions), long for the treatment of insufficient qi and blood, palpitations (heartbeat accelerated, often accompanied by panic), anxiety (heartbeat is intense, alarmed and restless), forgetfulness and insomnia, blood deficiency, atrophy and so on. Dried cinnamon should be used with caution for those with internal phlegm and fire, and those with dampness stagnation and stagnant drinking (water stagnation in the body), and the adverse effects are not clear at the moment. If needed, please use under the guidance of a professional Chinese medicine practitioner.