Soapberry is also known as soapberry, soapberry has the efficacy of subduing swelling and toxin, draining pus and killing insects. Mainly used for the treatment of carbuncle (is a kind of poisonous sores, occurring on the surface of the body, limbs, internal organs of the acute suppurative disease) at the beginning or the pus into not ulcerated; as well as topical treatment of scabies and leprosy leprosy. Soapberry is the dried spines of the legume soap pods. The surface is purple-brown or brown, light, hard texture, not easy to break. Slices often with sharp and thin spiny end; wood was yellowish white, pith lax, light reddish brown; brittle, easy to break. Soapwort has a slight gas, pungent flavor, warm nature, and is attributed to the liver and stomach meridians. The drug should be noted, where the carbuncle has been ulcerated patients should not be taken, pregnant women should not take. If you need to use the soap horn prick patients, it is recommended to consult a professional traditional Chinese medicine, follow the doctor’s instructions standardized treatment, do not arbitrarily use the drug.