扁豆原产于印度、印度尼西亚等地,引进我国约在汉、晋之间,始载于梁代陶弘景的《名医别录》。李时珍《本草纲目》曰:“硬壳白扁豆,其子充实,白而微黄,其气腥香,其性温平,得乎中和,脾之谷也。入太阴气分,通利三焦,能化清降浊,故专治中宫之病。消暑除湿 Lentils are native to India, Indonesia, and other places. They are introduced in China between the Han Dynasty and Jin Dynasty. They were originally included in the “Dr. Do not Record” of Liang Hong Tao Hongjing. Li Shizhen’s “Compendium of Materia Medica,” said: "The hard-shelled white lentils, its sub-filled, white and slightly yellow, its gas and fragrant, its temperate, almost neutral, spleen valley also. Into the Taiyin gas, Tom Lee Sanjiao It can clear and reduce turbidity, so it cures the disease of the palace.