In the doctor’s evidence under the guidance of normal doses of saponin boiled water to drink is not yet clear harm, but it should be noted that the saponin contained in this drug is toxic, the gastric mucosa has a strong stimulating effect, resulting in the destruction of the gastric mucosa and the absorption of the toxicity, so the use of too much can lead to toxic reactions. Causes dry throat, epigastric fullness and burning sensation, followed by nausea, vomiting, irritability, diarrhea and other adverse reactions. Allergic to soapberry should be used with caution, pregnant women, carbuncle gangrene (is a kind of poisonous sores, occurring on the body surface, limbs, internal organs of the acute suppurative disease) has been ulcerated people should not use. Soapwort is pungent in flavor, warm in nature, belonging to the liver and stomach meridian with the efficacy of subduing swelling and toxin, draining pus and killing worms, etc. It can be used for the treatment of carbuncle and gangrene. It can be used in the treatment of carbuncle and poison at the beginning or abscess not ulcerated, such as acute tonsillitis, postpartum lack of milk. The medication should be taken under the guidance of the doctor’s diagnosis, and should not be used without authorization to prevent the impact on health.