White kidney beans, its biological name is multi-flowering beans, due to the variety of flower color and name. Belonging to the legume family, pteridophyte subfamily, bean family bean genus, white kidney beans originated in the Americas, Mexico and Argentina, after artificial cultivation and domestication has been adapted to the cold and humid plateau area. Cultivation area of the larger countries are the Americas, Argentina, the United States, Mexico, Europe, Britain, Asia, China, Japan and so on. China in the late 16th century before the introduction of cultivation. Now China's provinces and regions are planted, the larger area of provinces is Yunnan, Guizhou, Sichuan, etc., and Yunnan's Dali, Lijiang, Lanping planting area is larger.

White lentils, a crop, can be dried, fried and edible. White lentils taste sweet, slightly warm, have the spleen and dampness, diuretic swelling, clearing the liver and eyesight and other effects. White lentil, also known as mallow bean, white mallow bean, south lentil; Latin name Dolicho, lablabL. Mature seeds of lentils, annual twining herbaceous plants, annual twining herbs. Lentil native to India, Indonesia and other tropical areas, about the Han Jin introduced into China. Mature fruit is harvested in fall and winter, dried in the sun, and the seeds are taken out and then dried in the sun. Seeds flat oval or flat ovoid, surface light amaranth white or yellowish, smooth, slightly glossy, one side of the edge of the white half-moon caruncle raised. Slight gas, light flavor, chewing with a soybean flavor.