Lysimachia christinae, Endothelium Corneum Gigeriae Galli, Radix Curcumae. Polygonum cuspidatum is a traditional Chinese medicine, which has the effects of clearing away heat and toxic materials (clearing away heat and pathogenic factors in the body), removing blood stasis and relieving pain, inducing diuresis and eliminating jaundice, resolving phlegm and relieving cough. Sanjin Polygonum Cuspidatum is Herba Lysimachiae Christinae, Endothelium Corneum Gigeriae Galli and Radix Curcumae. Polygonum cuspidatum is the dried rhizome and root of Polygonum cuspidatum. It is slightly bitter in taste and slightly cold in nature, and enters the liver, gallbladder and lung meridians. This medicine is bitter and cold, which can facilitate urination and remove damp heat from stool. It has the effects of clearing away heat and promoting diuresis (eliminating damp-heat in the body), and is often used to treat damp-heat jaundice, stranguria, leukorrhagia (damp-heat invading the intestine, bladder, pudendum and lower limbs).