味辛平．性滑涎粘．入手太陰經(jīng)．功專清肺涼血．散熱止痛．或花或葉．或皮或根．生搗或干研為末．蜜調(diào)涂一切癰疽．留頭．干則換之再涂．初起則痛止腫消．已成則膿出易斂．所云清涼膏、清露散、鐵箍散、皆此物．如加赤小豆末或蒼耳燒存性為末亦妙．經(jīng)水不止．以芙蓉花、蓮蓬殼等分為末．米飲下二錢效．