Amaranth boiled in water and soaked in feet has some effect of clearing heat and removing toxins, cooling blood and reducing swelling, but the effect is limited. It is recommended to use amaranth under the guidance of a doctor. Amaranth, sour flavor, cold; to the liver, large intestine meridian. It is mainly used in the treatment of fever and blood dysentery (dysentery caused by heat, see blood in the stool), leakage (excessive menstrual flow or dripping), blood in the stool, eczema, dengteng (acute infection, see the skin red like paint), snake and insect bites, hemorrhoids and other diseases. Note: Amaranth should not be used by people with cold spleen and stomach. Pregnant women should not use amaranth. The effect of amaranth boiled water foot soak is limited, can be under the guidance of the doctor decoction soup to take or external wash. If there is any discomfort after soaking feet in amaranth water, it is recommended to stop using it and consult a doctor in time.