Application of perfoliote knotweed herb

The invention discloses an application of perfoliote knotweed herb, wherein the dried perfoliote knotweed herb is boiled with water and the obtained solution can be used for diminishing inflammation by external application or oral administration. The perfoliote knotweed herb of the invention can be used for treating various inflammations originally and preserving the health and has the effects of reducing melanin, eliminating toxin and beautifying skin; the perfoliote knotweed herb has a better toxin-eliminating effect with liquorice, promotes the effect of nourishing the brain with walnut and promotes the effect of jujube in beautifying the skin with the jujube; meanwhile, the perfoliote knotweed herb has the effects of reducing pressure, maintaining the stability of the blood pressure, reducing the blood sugar and stabilizing the blood sugar, and can be used for treating cirrhosis and phthisis after being compounded with garlic spread; the decoction of the perfoliote knotweed herb can dissolve colloids in e