Longan meat is a kind of traditional Chinese medicine, which is good at tonifying the heart and spleen, nourishing the blood and calming the mind, and can improve the effects of insufficient qi and blood, palpitation and palpitations (violent heartbeat, panic) and other diseases. Longan meat is sweet and warm in nature, good at tonifying the heart and spleen, nourishing the blood and tranquilizing the mind, as a good medicine for the heart and spleen, commonly used in clinical practice with ginseng and ginseng, Angelica sinensis which tonifies the blood and activates the blood, and jujube seed which tranquilizes the mind and tranquilizes the mind, etc., in order to treat over-anxiety, strain on the heart and spleen, forgetfulness and insomnia, and palpitations and anxiety (rapid beating of the heart, panic and uneasiness) and other illnesses. Longan meat can also be combined with jujube, angelica and other medicines to improve deficiency of qi and blood, blood deficiency and atrophy. The drug should not be used in large quantities so as not to cause internal heat, and should be avoided especially in patients with internal phlegm-heat or dampness-stagnation and stagnation of drinks (water and liquids staying in the body). Its adverse effects are not known. Longan meat as a medicinal herb is often used in conjunction with other traditional Chinese medicines, the specific use of the drug should be combined with the patient’s condition and follow the doctor’s instructions.