A method of process Rhinacanthus nastutus (L.) Kurz, which comprises: provide a raw herb of Rhinacanthus nastutus (L.) Kurz immerse the raw herb of Rhinacanthus nastutus (L.) Kurz in a impregnating solvent at 22~37℃ for 12~24 hours to obtain a impregnating Rhinacanthus nastutus (L.) Kurz and steam the impregnating Rhinacanthus nastutus (L.) Kurz at 1 atm, 95~105℃ for 15minutes to 1 hour. This invention of the method of process Rhinacanthus nastutus (L.) Kurz could increase the effective constituent of Rhinacanthus nastutus (L.) Kurz for curing liver cancer.一種白鶴靈芝的炮製方法,係包含:提供一白鶴靈芝生藥材;將一白鶴靈芝生藥材於22~37℃的溫度下,浸泡於一炮製溶劑12~36小時,以獲得一浸漬白鶴靈芝;及將該浸漬白鶴靈芝在一大氣壓下,以95~105℃的溫度下蒸煮15分~1小時。本發明之白鶴靈芝的炮製方法係可以提升白鶴靈芝內含治療肝癌的有效成分。