Amaranthus is the dried above ground part of the plant Amaranthus, cold in nature, sour in taste, belonging to the liver, large intestine meridian, there is no efficacy of expectoration, its effect is to cool the blood to stop bleeding, clearing heat and detoxification, etc., used for carbuncles, boils and swollen boils, leakage (menstrual bleeding or dripping more than the amount of blood), feverish blood dysentery (dysentery caused by feeling the heat and poison, see blood in the stool) and other conditions. Amaranthus is mainly used for blood in stool, bleeding from leakage, bleeding hemorrhoids, feverish blood dysentery, carbuncle (caused by qi and blood trapped by evil and poisonous and congestion, resulting in localized swelling of the symptoms), boils (for the surgical disorders occurring on the face and hands and feet), dengtoxin (an acute infectious disease, the skin can be seen to redden like paint), and so on. Caution should be exercised for those with cold spleen and stomach. “Spot” refers to pigmented spots, which are pigmented spots in the lesion area, different in color from the surrounding skin, mainly including chloasma, freckles, age spots, etc., occurring on the face and affecting the appearance. Different methods, such as medication and laser treatment, should be adopted to treat the causes of pigmentation. People with pigmentation on exposed parts of the skin should pay attention to sun protection to avoid aggravation of the color of pigmentation. If pigmentation needs to be treated, medication should be used under the guidance of physicians, and should not be used on one’s own, so as not to cause adverse consequences.