龙眼肉为无患子科植物龙眼 Euphorialongan(Lonr)steud 的假种皮;荔枝肉为无患子科植物荔枝 Litchi Chinensis sonn 的假种皮。“荔枝甘温滋润,最宜脾肝精血,阳败血寒,最宜此味。功与龙眼同,但血热宜龙眼,血寒宜荔枝……”“食品以荔枝为贵,而资益则龙眼为良,盖荔枝性热,而龙眼性平和也……”。荔枝肉与龙眼肉功效略同, Longan is the artificial seed coat of the longan Euphorialongan (Lonr) steud of the Sapindaceae plant; litchi meat is the artificial seed coat of Litchi Chinensis sonn. “Litchi sweet warm moisture, the most appropriate spleen and liver blood, Yang Xue blood cold, the most suitable for this taste. Gong and Longan with the same, but the blood heat Yi Longan, blood cold should Litchi ... ...” “Food is expensive for litchi, and money The benefit is that the longan is good, covered with lychee heat, and the longan is also peaceful ...”. The effect of litchi meat is similar to that of longan meat.