Dried cinnamon, also known as longan meat, is a blood tonic, has the effect of tonifying the heart and spleen, nourishing blood and tranquilizing the mind, follow the doctor’s instructions to use the right medication in order not to have the symptoms of fire. Longan meat, mainly used for the treatment of qi and blood deficiency, palpitations and anxiety (heartbeat, panic), forgetfulness and insomnia, blood deficiency and atrophy. Longan meat is used for the treatment of heart and spleen qi deficiency, disturbed heart, often with ginseng, angelica, sour jujube nut, etc.; treatment of heart deficiency and dizziness, often with sour jujube nut, cypress seed kernel, cornelian cherry, frankincense, etc.; treatment of post-disease or old age and weakness, qi and blood insufficiency, often with jujubes, round-grained rice, etc.. 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 stagnation of drink (water stays in the body). Please consult a medical professional for specific use of the drug.