Japonica rice flour was used as the main material,and puerariae radix starch,lotus root powder,and sweet potato starch were used as supplementary materials to prepare military instant rice with twin screw extrusion technology.The setback value was used as the main index to optimize the formula and the edible quality was studied.The optimum formula was 6%puerariae radix starch,5%lotus root powder and 8%sweet potato starch.Texture and RVA test showed that the prepared military rice of optimum ratio had excellent edible quality.Comparison of blank control group,military instant rice,northeastern ...