Stone Reed should be Shi Wei, also known as Golden Heart Grass, is the whole herb of the large-fruited pseudotumor fern of the genus Pseudotumor fern in the family of Hydrocotyledonaceae. It has the effects of clearing heat and cooling blood. Shi Wei has the efficacy of clearing heat, detoxicating, cooling blood and clearing lymph. It is used for carbuncle (a kind of poisonous sore, acute purulent disease occurring on the surface of the body, limbs, and internal organs), swelling and poison, malignant sores, and violently red fiery eyes (astringent pain in the eyes, swelling and excessive tears). It can also be used to treat cough and wheezing due to lung heat. It is cold in nature and belongs to the lung meridian and can clear lung heat and stop cough and wheezing. It can also be used to treat bleeding due to blood heat. This product is cold in nature, clearing heat and entering the blood meridian to cool the blood and stop bleeding, applicable to bleeding due to vomiting, epistaxis, urination and leakage of blood. The medication should be taken under the guidance of a professional physician, and should not be taken by oneself, so as to avoid any delay in the treatment of the disease.