Black rice contains protein, carbohydrates, B vitamins, vitamin E, calcium, phosphorus, potassium, magnesium, iron, zinc and other nutrients, rich nutrition; Black rice contains manganese, zinc, copper and other inorganic salts are 1-3 times higher than rice. It also contains vitamin C, chlorophyll, anthocyanin, carotene and other components that rice lacks, and has many physiological functions such as scavenging free radicals, improving iron deficiency anemia, anti-stress response and immune regulation.