The present invention relates to soybean paste sauce and a method for preparing the same. More specifically, the present invention can remove a salty taste and musty odor of a soybean paste and enables a consumer to easily cook the same. The method for preparing the soybean paste sauce comprises: a mixing step of mixing a soybean paste and mushrooms to make a mixture a sterilization step for adding refined rice wine in the mixture and then sterilizing an addition step of adding an onion, a garlic, and a ginger juice and a deodorization step for removing smell of the soybean paste.COPYRIGHT KIPO 2015본 발명은 된장소스 및 그 제조방법에 관한 것으로서, 보다 구체적으로는 된장의 짠맛과 묵은 냄새를 잡아줄 수 있고 소비자들이 간편하게 조리할 수 있도록 하는 된장소스 및 그 제조방법에 관한 것이다.