Rice flour in the production process than rice to add more additives, which is rooted in the outside and in the school has nothing to do with, from the nutritional point of view of the rice flour is also considered a staple food, as long as with a reasonable eat full eat well no problem, but additives are unavoidable, some of them, such as gelatine and other substances such as long term consumption of human body is very harmful, even if the domestic how to say that there is poisonous rice, but from the processing steps of the rice less, the natural content of harmful substances is theoretically less than the rice. The content of natural harmful substances is theoretically less than rice flour.