The invention belongs to the field of food seasonings, and discloses a food additive containing xanthan gum, and the food additive containing xanthan gum comprises the following raw materials by weight: 1-2 parts of the xanthan gum, 1-2 parts of citric acid, 1-2 parts of white granulated sugar powder, 2-3 parts of yeast extract, 2-3 parts of corn starch, 3-5 parts of maltodextrin, 7-15 parts of kelp powder, 7-15 parts of mussel enzymolysis liquid and 10-20 parts of compound amino acids. The food additive is reasonable in material composition, rich in fresh flavor and good in taste.