Amaranth can clear heat and detoxify the body (clearing heat and poison from the body), cool the blood, and can be used to treat eczema caused by external heat. Amaranthus tinctorius is cold and slippery in nature, and it enters the blood division (in the four periods of warm disease, it belongs to the deepest stage or disease), and is good at clearing heat and toxin in the large intestine, which is a commonly used medicine for the treatment of pyrexia dysentery, dysentery with pus and blood (diarrhea with pus and blood in the feces), and urgency and after-heaviness (uncomfortable in the lower abdomen, wanting to relieve the feces very much, and feeling of incomplete bowel movement after the feces). It enters the blood portion of the liver meridian and has the effect of cooling the blood and stopping bleeding. It is also used for lower bleeding such as metrorrhagia (excessive menstrual flow or dribbling of menstruation), blood in stools, hemorrhoidal blood, and so on, caused by blood-heat paranoia (abnormal outward movement of the blood due to the heat evil). Horsetail is also indicated for eczema, sores, carbuncles and poisons. The adverse reactions and contraindications of this product are not clear, and it should be used with caution for those with spleen and stomach deficiency (spleen and stomach weakness and cold), and diarrhea. If the symptoms of eczema, should consult a doctor in time, do not blindly self-medication, so as to avoid medication delay.