Provided in the present invention is a manufacturing method of broth comprising sea tangle as a main ingredient, which comprises the following steps: manufacturing a vegetable concentrate manufacturing a sea tangle extract mixing the manufactured vegetable concentrate and the sea tangle extract and adding seasoning powder to manufacture broth and sealing and packaging the broth after cooling and sterilizing the manufactured broth. Provided is the broth, which is beneficial for the health and has a flavor.COPYRIGHT KIPO 2016본 발명은 채소 농축액을 제조하는 단계 다시마 추출액을 제조하는 단계 상기 제조된 채소 농축액, 다시마 추출액을 혼합하고, 조미 분말을 첨가하여 육수를 제조하는 단계 및 상기 제조된 육수를 냉각 및 살균 처리 후 밀봉 포장하는 단계를 포함하는 다시마를 주성분으로 하는 육수 제조방법을 제공한다.