Functions and IndicationsClearing heat and inducing dampness, dispersing blood stasis and relieving pain. Main jaundice hepatitis, stomach pain, rheumatism and bone pain, bruising and stasis pain, breast pain. Clearing heat and removing toxins, soothing the liver and relieving pain. It is used for jaundice, discomfort in the abdomen and ribs, stomach and epigastric distension and pain; acute and chronic hepatitis, mastitis. Usage and dosage for internal use: 15-30g in decoction; or in pills and powder. Externally: Appropriate amount, freshly pounded.　Note: Caution should be taken when the body is weak and cold.　Harvesting and Storage: Harvest throughout the year, usually in November-December or after Qingming dig up the roots, remove the pods (seeds are poisonous) to clean the soil of the roots, the stems and vines tied into bundles, sunshine to eighty percent of the dry sweating and then sun-dried into a dry enough. Answer: To dry.