Rice nutrients are mainly protein, carbohydrates, various minerals (calcium, phosphorus, potassium, sodium, magnesium, iron, zinc, selenium, copper, manganese) and vitamins (thiamin, riboflavin, niacin), etc. Although the content of various nutrients in rice is not very high, they all have high nutritional value, and as a daily staple food, it is a basic ingredient for the body to supplement nutrients. The vegetable protein contained in rice can help improve the flexibility of human blood vessels and play a certain role in assisting in lowering blood pressure. After the consumed rice is absorbed by the human gastrointestinal tract, the carbohydrates in rice are converted into glucose, fat and other substances that can provide energy for the body to support the body’s daily operation and consumption. The water-soluble dietary fiber contained in rice can help relieve constipation symptoms such as dry stools and difficult bowel movements. In addition, there are various types of rice, the most common daily is refined rice. Some coarse grains made of brown rice, although the taste is relatively ordinary, but contains more minerals, dietary fiber compared to refined rice. Therefore, it is recommended that daily consumption with the nutrient absorption to be more balanced. However, brown rice is not easy to be digested for people with weak gastrointestinal tract, so it is recommended that people with indigestion and other weak gastrointestinal tract function should reduce consumption. In addition, refined rice is absorbed faster by the gastrointestinal tract after consumption, easily causing a faster rise in blood sugar, which has a certain impact on the control of blood sugar in diabetic patients, so it is recommended that diabetic patients ration or reduce consumption. Obese people or people who want to lose weight, it is also recommended to eat a small amount, because the carbohydrates in refined rice and other carbohydrates into the body, if not completely consumed by the day, easily aggravate obesity or affect the weight loss effect.