​Paeonia lactiflora Pall is a Paeonia lactiflora Pall. Or dried root of p. veitchii Lynch. It has the effect of clearing heat and cooling blood, promoting blood circulation and removing blood stasis. Indications: erythema, blood heat and vomiting of epistaxis, erythema, carbuncle, hypochasm, dysmenorrhea, lump, abdominal pain and injury.