Rice, is the rice after cleaning, hulling, milling, finishing and other processes made of finished products. The embryo and aleurone layer of rice contains nearly 64% of rice nutrition and more than 90% of the nutrients needed by the human body, which is the main food for the people of the South. Rice is the basic food to supplement nutrients, in addition to rich in carbohydrates, but also contains protein, fat, vitamins and 11 minerals. The protein in rice is mainly protamine, the composition of amino acids is relatively complete, the human body is easy to digest and absorb, can provide a more comprehensive nutrition for the human body, known as the "head of grain ", so eating rice can supplement a lot of nutrients.