绿豆原产我国,栽培历史悠久,古农书都有详细记载,“北方惟有菜豆最多,农家种之亦广,人俱作豆粥豆饭,或作饵为炙,或磨而为粉,或作曲材.其味甘而不热.颇解药毒,乃济世之良谷也.南方亦间种之”. Mung bean native to China, cultivation has a long history, ancient books have a detailed record, "the largest north bean, the farm is also widely planted, all beans and beans cooked rice, or for the bait Sunburn, or grinding and flour, or Composing materials, its sweet and not hot, quite solution of drug poison, but also the world of the valley of good and the South also species.