PURPOSE: Fermented soybean paste sauce, and a producing method of fermented soybean paste barbecue using thereof are provided to offer the flavor of fermented soybean paste and hardwood charcoal to meat. CONSTITUTION: A producing method of fermented soybean paste barbecue using fermented soybean paste sauce comprises the following steps: dipping elvan stone to mineral water, and maintaining the constant temperature; injecting 50g of yeast into the mineral water, and adjusting the temperature at 35 deg C before adding alcohol and aging; filtering and diluting the obtained alcohol extract; mixing black pepper powder, red pepper powder, garlic, onion, herbs, the diluted alcohol extract, and water to obtain a curing solution; mixing the curing solution, starch syrup, fermented soybean paste, tapioca starch, Japanese apricot juice, and the diluted alcohol extract the fermented soybean paste sauce; aging meat in the sauce for 12 hours before slicing; and roasting the aged meat in an oven at 200 deg C for 10 minutes and with hardwood charcoal for 10 minutes, and boiling the meat with the sauce for 10 minutes on a stone pan.본 발명은 깨끗이 세척한 육류를 먹기 좋은 100-200g 크기로 절단을 하여 염지액을 만들어 염지액에, 12시간 이상 숙성시킨 육류를 오븐 구이기에 넣어 200℃ 10분간 익혀낸 후, 익혀낸 육류를 된장를 앞뒤로 발라가면서 10분간 노릇하게 참숯으로 구워서 된장소스에 구운 육류바베큐를 버무려 가열된 돌판에 넣어 살짝 끓여서 제조된 된장소스 및 그를 이용한 된장바베큐의 제조방법에 관한 것이다.