Gui Yuan can be eaten raw. The most common way to eat cinnamon is raw, cinnamon for the heart and spleen deficiency (heart and spleen two organs weak), qi and blood deficiency and other diseases are regulating effect. But note that the effect of a single Chinese medicine is weak, can be in the identification of traditional Chinese medicine under the guidance of other drugs used together to achieve the best therapeutic effect. Cinnamon, sweet flavor, warm nature. It belongs to the heart and spleen meridians. It has the effects of tonifying the heart and spleen (tonifying the heart and spleen with nourishing drugs), nourishing blood and tranquilizing the mind (stabilizing the mind and soothing the emotions by nourishing the blood). It is used in treating deficiency of qi and blood, palpitation (rapid heartbeat, often accompanied by panic), palpitation (violent heartbeat, panic), forgetfulness and insomnia, blood deficiency and atrophy. It should be noted that it is contraindicated for those who have phlegm and fire within the body and those who have stagnation of dampness and stagnant drinking (water stagnation in the body). If cinnamon is required, it is recommended to follow the doctor’s prescription.