大黄 ,气味重浊 ,直降下行 ,有斩关夺门之力 ,若用之不慎 ,易伤人的正气 ,尤其在儿科临床上 ,人们都惧用。笔者常以大黄为主治疗小儿急症 ,屡起沉疴 ,现列举案例如下 :1　急惊风大黄主治小儿急惊风。《药性论》云 :“……主小儿寒热时疾 ,烦热 ,蚀脓 ,破留血。”凡是小儿外感风 Rhubarb, smelly turbid, straight down, there is the power to cut off the door, if the slightest mistake, easy to hurt the righteousness, especially in pediatric clinical, people are afraid to use. The author often rhubarb-based treatment of children with acute illness, repeated Shen Mian, are listed as follows: 1 acute shock rhubarb attending pediatric acute shock. “Pharmacological theory” cloud: “... ... the main cold and heat disease, irritability, pus, broken blood.” Any child outside the wind