Rice has the effect of tonifying the middle and benefiting the qi, strengthening the spleen and stomach, benefiting the essence and strengthening the will, and the five viscera, through the blood, bright ears and eyes, stopping the annoyance, quenching the thirst, stopping diarrhea.

Sweet potatoes produce fluids, moisten the lungs and smooth the intestines; stems and leaves taste sweet, light, slightly cool, into the lungs, large intestine, bladder meridian; with moistening the lungs, and the stomach, facilitating urination, drainage of intestinal pus to remove the rot; applied to intestinal constipation: sweet potatoes, several, boiled, peeled, and dipped in honey to eat.

The effect of purple potato porridge is to remove heat and fire, and the effect of purple potato on the beauty of girls. Moreover, eating purple food for a long time is also good for the eyes. Because purple food is all contain flower cyanide eat more good for the eyes, has a variety of health effects.