The present invention discloses an instant millet vermicelli and its processing method, It uses millet and rice as the raw materials and is formed according to a special method, and the weight ratio of millet to rice is 4:1-10:1, and the water content of said instant millet vermicelli's final product is less than or equal to 12%. The method includes following steps: mixing and soaking, slurry and separating, dewatering, regulating pH value, extruding and braising vermicelli firstly, forming and braising vermicelli secondly, aging and water washing, cutting and drying. The present invention solves the technical problems of deep-processing the millet into vermicelli, and meets the people's desire for conveniently eating the little miscellaneous cereals millet. During the whole processing of present invention, it need not add any additives, not only ensuring natural property and pure taste of the product, but also bringing the eaters with health guarantee, and it's a type of environmental protection food.