black rice with black beans, mung beans, oats, millet flour and a little rice flour with red bean flour can be steamed to eat. In addition to black rice, these raw materials also add beans, oats, millet and so on, which is a typical application of protein complementarity in food. These foods are rich in essential fatty acids, various trace elements and vitamins. Steamed steamed bread with mixed grains can give full play to the complementary role of amino acids, learn from each other's strong points and improve the utilization rate of protein. These foods have the effects of invigorating spleen and stomach, eliminating stagnation and losing weight, benefiting qi and calming the nerves. Can be used for dietotherapy for obese and neurasthenia, and can also be used as daily health food.