This invention adds water-soluble dietary fibers, such as indigestible dextrin, branched maltodextrin, inulin and polydextrose, into food or beverage to enhance salty taste of the food or beverage which contains sodium salt and/or potassium salt. Additionally, the invention could improve (mask) bitter taste of the sodium salt.本發明將難消化性糊精、分支麥芽糊精、菊糖及聚葡萄糖等水溶性膳食織維添加至飲食物中,藉此可增強含有鈉鹽及/或鉀鹽的飲食物的鹽味。另外,本發明可改善(掩蓋)鉀鹽的苦澀味。