PROBLEM TO BE SOLVED: To develop a liquid seasoning capable of expecting health promotion effects by acetic acid, excellent in flavor and capable of ingesting daily, especially a liquid seasoning for heat cooking week in acetic acid odor during heat cooking and good in flavor when taken even though it has acetic acid at high concentration such as 0.7 to 1.5 mass%.SOLUTION: There are provided a liquid seasoning for heat cooking containing acetic acid of 0.7 to 1.5 mass% in terms of straight and having acetic acid concentration and/or salt content concentration adjusted so that mass ratio of acetic acid and salt content is 1.5 to 3, and the liquid seasoning for heat cooking containing further capsaicin with the capsaicin concentration adjusted to be 0.0004 to 0.0016 mass% in terms of straight.SELECTED DRAWING: None