Dried cinnamon is also known as longan meat. Longan meat should not be eaten for coughing because it has no effect in treating cough. Longan meat has the effect of tonifying the heart and spleen (tonifying the heart and spleen with tonic drugs), nourishing the blood and tranquilizing the mind (stabilizing the mind and soothing the emotions by nourishing the blood). Longan meat, sweet in flavor and warm in nature. It belongs to the heart and spleen meridians. It is used for deficiency of qi and blood, palpitation (rapid heartbeat, often accompanied by panic), palpitation (violent heartbeat, panic), forgetfulness and insomnia, blood deficiency and atrophy. Longan meat is used for those with deficiency of heart and spleen qi and restlessness of heart and mind, often paired with ginseng, angelica, sour jujube nut, etc.; for those with heart deficiency and dizziness, often used with sour jujube nut, cypress seed kernel, cornelian cherry, frankincense, myrrh, etc.; for those with deficiency of qi and blood after illness or in old age and frailty, often used with jujubes and round-grained rice. It should be noted that it should be used with caution in patients with phlegm and blood, and should not be taken by people with dampness stagnation and stagnation of drink (water stays in the body). Before using Chinese medicine Longan meat, you need to be guided by a Chinese medicine practitioner to identify the symptoms and use the medicine.