If the proportion is properly designed, it is beneficial to nourish the kidney and heart.

Black rice and black beans belong to black food. Chinese medicine believes that black corresponds to the kidney, so it is beneficial to replenish kidney qi. According to ancient books, black rice is flat and sweet; Meridian tropism, spleen and stomach meridian; Nourishing yin and tonifying kidney, strengthening the body, warming the stomach, improving eyesight and promoting blood circulation. Black beans are similar to spleen and kidney meridians.

Red beans belong to red food. Chinese medicine believes that red corresponds to the heart, so it nourishes the heart. But don't eat more, Tao Hongjing said: "Sex drives body fluids, and long-term eating makes people thin." Materialism of eating: "Eat thin people for a long time."

Corn yellow, corresponding to the spleen and stomach, is conducive to nourishing the spleen and stomach. Modern nutrition believes that corn lacks individual vitamin B family and cannot be eaten alone.

Based on the above analysis, it is generally helpful for digestion, nourishing kidney and heart. However, red beans and black beans are flatulent and should be eaten less, while corn is more nutritious because it is cooked more comprehensively and reduces its defects.