PURPOSE: A manufacturing method of rice-red pepper paste and rice-red pepper paste thereof are provided to use steamed white rice cake for red pepper paste. CONSTITUTION: A manufacturing method of rice-red pepper paste comprises the following steps: preparing steamed white rice cake; preparing malt water by mixing 100g of malt and 0.35-0.5L of water; making rice gruel by mixing 1kg of the steamed white rice cake, 100g of the malt and 0.35-0.5L of the water at 35-40 deg. C; and natural-aging after mixing 10-13wt% of red pepper powder, 5-15wt% of bean powder, 2-3wt% of salt and 1-5wt% of honey to 100wt% of the rice gruel. The step of making the rice gruel with the steamed white rice cake and the malt water comprises: mixing the steamed white rice cake and the malt water in a jar; and fermenting the mixture for 30-40 hours. [Reference numerals] (AA) Start; (BB) End; (S10) Preparing steamed white rice cake; (S20) Preparing malt water by mixing malt and water; (S30) Making rice gruel by mixing the steamed white rice cake and the malt water; (S40) Mixing the rice gruel with red pepper powder, bean powder, salt, and honey; (S50) Completing rice red pepper paste by fermenting for 20-30 days;본 발명은 백설기떡을 이용하여 쌀고추장을 제조하는 쌀고추장 제조 방법 및 그에 의해 제조된 고추장에 관한 것이다. 이와 같은 본 발명의 쌀고추장 제조 방법은 백설기떡을 준비하는 단계; 엿기름 100g과 물 0.35 ~ 0.5L를 섞어 엿기름물을 준비하는 단계; 백설기떡 1Kg에 대하여 상기 엿기름 100g과 물0.35 ~ 0.5L을 섞은 엿기름물을 섞은 후 섭씨 35 내지 40℃에서 쌀죽을 만드는 단계; 및 상기 쌀죽 100 중량부에 대하여 고추가루 10 내지 13중량부, 콩가루 5 내지 15중량부, 소금 2 내지 3중량부, 꿀 1 내지 5중량부를 섞고 자연숙성시키는 단계;를 포함하여 이루어지는 것을 특징으로 한다.