Big white kidney bean is also known as Jingdou, Baidou and dabaidou, commonly known as "big green bean rice". After being cooked, the skin blooms and blooms like white clouds, so it is called "white cloud beans". It is a kind of rare bean with plump grains, thick endosperm, white and bright, delicious and nutritious. The grain size is 2 times larger than that of faba bean, which is the highest in beans.