Psoriasis in Chinese medicine is called leukoderma, the efficacy of amaranth is to clear away heat and detoxification, cool the blood to stop bleeding, dysentery, the main treatment of fever and blood dysentery (feel the dysentery caused by heat and poison, see blood in the stool) and other diseases, external application can not treat psoriasis. Amaranth is cold in nature, sour in taste, belonging to the liver, large intestine meridian, used for the treatment of feverish blood dysentery, carbuncle boils, eczema, tannin (acute infections, visible skin red like paint), snake bites, blood in the stool, hemorrhoidal blood, leakage (excessive menstruation or more than a few drops of) and other conditions of the blood. It should be used with caution for people with cold spleen and stomach, and intestinal slippage for leakage. Leukoderma is a kind of chronic relapsing inflammatory skin disease with erythema, papule, scaly damage as the main manifestation, its clinical characteristics are erythema covered with layers of silvery-white scales, scraping off the scales have film and dewdrop-like bleeding spots, its treatment to clear heat and cool blood detoxification as the basic rule, the commonly used medicines are rhinoceros horn dihuang soup, angelica drink, etc., depending on the condition of the identification of the medication. After the discomfort should be timely medical treatment, under the guidance of the physician’s diagnosis and selection of medication, not self-medication, so as not to delay the condition.