牡丹皮来源为毛茛科植物牡丹干燥根皮。秋季采挖根部,除去细根,剥取根皮,晒干,生用或酒炙用。性味与归经苦、甘,微寒。归心、肝、肾经。功用与主治清热凉血,活血祛瘀。用于治疗温病热入营血所致发斑、吐血、衄血;温病伤阴,阴虚发热,夜热早凉、无汗骨蒸、血滞经闭、痛经、跌打伤痛,痈肿疮毒等症。治温病热入营血所致发斑、吐血、衄血,常与水牛角、生地黄、赤芍、大黄、桅 Cortex Moutan source for Ranunculaceae peony dry root bark. Excavation of the roots in autumn, remove the fine roots, stripping the root bark, dried, raw or wine use Sunburn. Taste and return hard, sweet, slightly cold. Heart, liver, kidney. Function and Indications heat cooling blood, blood stasis. For the treatment of warm fever into the camp blood caused by hair spots, vomiting blood, blood stasis; warm sick wounds Yin, yin deficiency fever, night hot and cool, no sweat, steam, amenorrhea, dysmenorrhea, Sore swollen sore embolism. Warming fever into the camp caused by blood stasis spot, vomiting blood, blood, often with buffalo horn, Rehmannia, red peony, rhubarb, mast