Cinnamon water is usually cinnamon infused water, cinnamon usually refers to the longan meat, usually on drinking longan meat infused water usually have no strict contraindications, in the summer usually can drink. The efficacy and effectiveness of the infusion is limited, so it is not to be used in the same way as a medicine. Longan aril can be used as medicine, sweet taste, warm nature, with the tonic heart and spleen, nourish blood and tranquilize the spirit of the efficacy of the deficiency of qi and blood, palpitations, palpitations and dizziness (heartbeat violent, panic and restlessness), forgetfulness and insomnia, blood atrophy and yellowing of the disease has a certain therapeutic effect, but the dampness in the fullness of the wetness (dampness is too heavy to lead to the fullness of the spleen and stomach discomfort) and there is a stopping of the drink (the water stays in the body), phlegm, fire, people should not be served. Cinnamon water is usually cinnamon infused water, which can usually be consumed in summer, but the efficacy and effect of longan meat infused water is limited, so it can not be used as medicine. At the same time, when using longan meat as a medicinal herb, you should follow your doctor’s instructions, not blindly use medicine.