The present invention relates to a method for enhancing salty taste-like taste of food and drink, as well as providing a seasoning composition and a salty taste-like taste enhancer to be provided to the method. The present invention provides a seasoning composition including a 5'-ribonucleotide and a branched-chain amino acid; the seasoning composition and the salty taste-like taste enhancer containing 0.45 to 81 parts by weight of the branched-chain amino acid relative to 100 parts by weight of the 5'-ribonucleotide; and a method for enhancing salty taste-like taste of food and drink containing 2 to 90 parts by weight of the 5'-ribonucleotide and 0.05 to 9 parts by weight of the branched-chain amino acid.