A method for producing a lactic acid fermented dairy product, comprising a step of sowing and fermenting both lactic acid bacteria (LAB) and Bacillus bacteria in milk. [Selection figure] None乳酸菌(LAB)及びバチルス細菌の両方を乳に播種して発酵させる工程を含む、乳酸発酵乳製品を製造する方法。【選択図】なし