The present invention discloses a method of modifying powder appearance and/or scent, which makes a covering object forming a thin film on the surface of powder substance through hydration reaction for masking the original unpleasant scent, unpleasant odor or poor appearance of powder substance or to enhance the preservability of powder substance.本發明所揭修飾粉末外觀及/或味道之方法,其係藉由使一包覆物藉由水合反應,而於一粉末狀物質表面形成一薄膜,用以遮掩該粉末狀物質原有之不悅味道、不佳氣味或不良外觀,或是用以增加該粉末狀物質之保存性。(10)‧‧‧修飾粉末外觀及/或味道之方法(20)‧‧‧黃連粉粒(30)‧‧‧水分子(40)‧‧‧澱粉(50)‧‧‧薄膜(60)‧‧‧經修飾之黃連粉粒