Shi Wei is bitter-cold and belongs to the lung and bladder meridians. It has the effects of diuretic and laxative, cooling the blood and stopping bleeding, clearing the lung and relieving cough, and can treat short and red urine, dripping and astringent pain. It is cold in nature and can clear heat from the lung and reach the bladder, diuretic and laxative, and can treat painful urination caused by urinary tract infection. Shi Wei is often paired with talcum and psyllium to treat heart fire, and urinary pain caused by small intestine. Shi Wei has cooling effect on blood and stopping bleeding, which can treat painful urination and blood in urine. It clears heat and cools the blood, and can treat prolonged menstruation, vomiting of blood, and nosebleeding caused by blood-heat, and is effective alone, or in combination with Bai Mao Root and Sheng Di. Shi Wei can also treat cough caused by lung heat. This product is cold in nature and belongs to the lung meridian, it can clear lung heat, and can be combined with Ephedra and Gypsum.