Yeast extract compound salty flavor is a natural and healthy food additive. Its main components are yeast extract, natural salty flavor and other flavorings. Yeast extract contains rich nucleic acids, nucleotides, amino acids and other components, which can enhance the flavor and taste of food, while natural saltiness element is extracted from natural food materials, which can increase the saltiness of food. Compared with traditional chemical flavoring, yeast extract compound salty flavoring has no side effects, can effectively improve the flavor and taste of food, and meets the needs of modern people for healthy diet.