The present invention relates to a seasoned laver applied with a mushroom extracted oil which improves extraction properties of an active ingredient of a mushroom, prevents oxidation, and doubles a flavor and a savory taste by applying a mushroom extracted oil extracted by using oil and fat and a mushroom seasoning powder obtained by heating and drying the mushroom extracted oil and a seasoning additive, on a dried laver, and to a preparing method thereof. According to the present invention, the preparing method of a seasoned laver applied with a mushroom extracted oil, comprises: a mushroom extracted oil preparing step (S100) of preparing a mushroom extracted oil by introducing a mushroom into fat and oil; a mushroom seasoning powder preparing step (S200) of preparing a mushroom seasoning powder by drying a mushroom seasoning oil prepared by heating the mushroom extracted oil and a seasoning additive; a mixed oil preparing step (S300) of preparing a mixed oil by mixing any one extracted oil among sesame oil, perilla oil, and a combination thereof with the mushroom extracted oil; a first processing step (S400) of applying the mushroom extracted oil on a dried laver and roasting the same; and a second processing step (S500) of applying the mixed oil and the mushroom seasoning powder on the firstly processed laver and roasting the same.본 발명은 버섯추출유가 도포된 조미김 및 이의 제조방법에 관한 것으로서, 보다 상세하게는 건조김에 유지를 이용하여 추출된 버섯추출유와 상기 버섯추출유, 조미첨가제를 가열 및 건조한 버섯조미분말을 도포함으로써 버섯이 갖는 유효성분의 추출특성을 향상시키고, 산화를 방지하며 동시에 풍미 및 감칠맛을 배가시킨 조미김 및 이의 제조방법에 관한 것이다.본 발명에 따른 버섯추출유가 도포된 조미김의 제조방법은 버섯을 유지에 투입하여 버섯 추출유를 제조하는 버섯 추출유 제조단계(S100);와 버섯추출유와 조미첨가제를 가열하여 제조된 버섯 조미유를 건조하여 버섯 조미분말을 제조하는 버섯 조미분말 제조단계(S200);와 버섯 추출유와 참기름, 들기름 및 이들의 조합 중 어느 하나의 깨추출유를 혼합하여 혼합유를 제조하는 혼합유 제조단계(S300);와 상기 버섯 추출유를 건조김에 도포한 후 굽는 1차 가공단계(S400);와 1차 가공된 김에 혼합유와 버섯조미분말을 도포한 후 굽는 2차 가공단계(S500)를 포함한다.