First, it can nourish qi and blood. Patients with qi and blood weakness can eat black rice. Second, it can nourish the liver and improve eyesight. Black rice is rich in trace elements and has the effect of nourishing the liver and improving eyesight. Third, black rice has certain benefits to the nervous system, can improve memory and regulate mood; But although black rice is good also should cooperate with other food to eat together, nutrition ability is balanced.