General black rice directly cooked rice moderate consumption is not harmful, but if not fully cooked or consumed in excess, it may cause indigestion. From a nutritional point of view, 100g of black rice contains 9.4% protein, 72.2% carbohydrates, 3.9% dietary fiber, 12mg calcium, 2.5% fat and other ingredients, moderate consumption can be supplemented for the human body contains nutrients, to maintain the normal physiological function of the body. Although black rice is also a cereal food, but not like white rice after fine processing. Black rice has a tough seed coat wrapped around the outside, under normal circumstances, black rice is in the form of brown rice to eat after hulling. Therefore, black rice is easy to be undercooked when cooked directly, and to a certain extent, it is prone to indigestion, bloating, abdominal pain, nausea and other discomforts. Normally, it is recommended to soak black rice in water before cooking it, and at the same time not consume it in excess so as not to adversely affect your health.