Japonica rice is a kind of rice, which is made by grinding japonica non-waxy rice. The rice grains are generally oval or round, plump and thick, with a cross section close to round, the ratio of length to width less than two, waxy white in color, transparent or translucent, hard and tough in texture, sticky and oily after cooking, soft and delicious, but low in rice yield. Common northeast rice, pearl rice and Jiangsu round rice all belong to japonica rice.

Rice is the finished product of rice after cleaning, husking, milling and finishing.

Millet is the seed of millet, a Gramineae herb, and it is millet when it is shelled. Also known as white millet, indica millet and hard millet. Widely cultivated in northern China. Harvest mature fruits in autumn, and dry them in the sun to peel and shell them.

The difference between rice and millet is that rice is bigger than millet, rice is white, millet is yellow, rice is negative and millet is positive.