The invention discloses a method of processing Rhinacanthus nasutus (L.) Kurz for producing a processed sample of
Rhinacanthus nasutus (L.) Kurz with improving active ingredients, wherein the method comprising the steps of: soaking a
raw sample of Rhinacanthus nasutus (L.) Kurz with a processing reagent at 22 to 37° C. for 12 to 36 h; and boiling the
soaked product at 1 atm, 95 to 105° C. for 15 min to 1 h to obtain the processed sample of Rhinacanthus nasutus (L.)
Kurz.