绿豆,因其皮色呈绿而得名,是豆科菜豆属一年生草本植物。我国栽培绿豆已有二千多年的历史,古农书便有这样的记载:“农家种之亦广……乃济世之良谷也。”我国南北各省均产绿豆,从海拔1800米的高原,到平川河谷都有绿豆分布。绿豆品种繁多,据载有200多种,著名的有安徽的明光绿豆,河北的宣化绿豆,山东的龙口绿豆等 Mung bean, named for its green skin color, is a leguminous bean genus of annual herbs. The cultivation of mung bean in our country has a history of more than 2000 years. The ancient agricultural book has such records: “Farmers have also planted a wide range of fields for their good harvests.” The provinces in both northern and southern China produce mung beans from an altitude of 1,800 meters , To Hirakawa Valley has mung bean distribution. Mung bean variety, according to contains more than 200 kinds, the famous Mingguang Mung bean in Anhui Province, Hebei Xuanhua Mung bean, Shandong Longkou Mung bean