荞麦是传统粮食作物之一，分为甜养和苦荞两类。甜荞也称为普通荞麦。东北、西北、华北种植较多。其籽粒是三角形，表面光滑，呈黑色。银灰色，食用品质好。苦养世称“鞑靼荞麦”，是西南地区重要粮食作物之一。籽粒比甜养小呈不明显的三角形。荞麦俗称“三角麦”、“三角米” Buckwheat is one of the traditional food crops, divided into two types of sweet and tartary buckwheat. Sweet buckwheat is also known as ordinary buckwheat. Northeast, Northwest, North China planted more. The grain is a triangle, the surface is smooth, black. Silver gray, good food quality. Bitterly known as “Tartar buckwheat”, is one of the important food crops in southwest China. The grain is less pronounced than the triangle of the sweet-tainted grain. Buckwheat commonly known as “triangular wheat”, “triangular rice”