大青叶与板兰根均为常用中药,具有良好的清热解毒、凉血作用。历代主要本草对本品都有记述。例如《别录》谓:“疗时气头痛,大热口疮。”《药性本草》载:“治瘟疫寒热。”……等等。近几年来,大青叶与板蓝根普遍受到重视,更为广大赤脚医生所喜爱。但其原植物比较复 Daqingye and Banlangen are commonly used traditional Chinese medicines, with good detoxification, cooling effect. All the major herbal medicines in history have recorded this product. For example, “Do not record” that: “When the treatment of gas headaches, large heat aphthous.” “Pharmaceutical Materia Medica” contains: “to cure plague fever and cold.” ... And so on. In recent years, Daqingye and Banlangen have received much attention and are favored by many barefoot doctors. But its original plant is more complex.