本品为紫草科植物紫草的根。其性味苦寒,无毒,归心包、肝经。具有清热解毒、活血凉血的功效。现代药理研究表明,紫草具有抗菌消炎、兴奋心脏、避孕、抗肿瘤、解热、护肝等作用。传统应用于治疗温热斑疹、湿热黄疸、紫癜、吐衄、尿血、淋浊、血痢、热结便秘、烧伤、湿疹、丹毒、痈疡等症。经临床应用发现,紫草外用对以下 This product is the root of the comfrey comfrey. Its taste is bitterly cold, non-toxic, and belongs to pericardium and liver. With Qingrejiedu, blood circulation cooling effect. Modern pharmacological studies have shown that Lithospermum has antibacterial, anti-inflammatory, excitatory heart, contraception, anti-tumor, antipyretic, liver protection and other effects. Traditionally used to treat warm spotted rashes, hot and humid jaundice, purpura, spitting, hematuria, turbidity, blood stasis, hot junction constipation, burns, eczema, erysipelas, and ulcers. The clinical application found that the Lithospermum applied to the following