If it is steamed dry rice, it is suggested to cook the black rice with less water until it blooms, and then cook the brown rice and black rice together according to the rice-water ratio of steamed dry rice, so that it will feel as cooked as before. Supplement: If it is nutrition, it will not cause the loss of nutrition. It's all miscellaneous grains. Black rice supplements qi and blood. Brown rice is more nutritious than polished rice and is a neutral ingredient. There is no conflict between the two. Supplement: Both of them are rich in selenium, which can obviously improve human disease resistance. Both are foods that enhance human immunity.