qingfei yihuo wan qingfei yihuo wan qingfei yihuo wan (chinese: 清肺抑火丸) is a yellowish-brown honeyed pill used in traditional chinese medicine to "remove heat from the lungs, relieve cough, resolve phlegm and relax the bowels". it has a slight odor, and tastes bitter. it is used where there is "heat in the lung marked by cough, yellowish sticky phlegm, dryness of the mouth, sore throat and constipation". chinese classic herbal formula of qingfei yihuo wan name chinese (s) grams radix scutellariae 黄芩 140 fructus gardeniae 栀子 80 rhizoma anemarrhenae 知母 60 bulbus fritillariae thunbergii 浙贝母 90 cortex phellodendri 黄柏 40 radix sophorae flavescentis 苦参 60 radix platycodonis 桔梗 80 radix peucedani 前胡 40 radix trichosanthis 天花粉 80 radix et rhizoma rhei 大黄 120