PURPOSE: A producing method of a meal substitute for the weight loss using natural green tea yeast is provided to offer the great taste and flavor of the meal substitute. CONSTITUTION: A producing method of a meal substitute for the weight loss using natural green tea yeast comprises the following steps: mixing 100g of brown sugar and 1kg of fresh water to obtain syrup； mixing the syrup with 1kg of green tea, and storage-aging the mixture at 30 deg C for 7 days after sealing and stirring 1-2 times a day to obtain green tea fermented liquid； steaming and drying freeze-dried food substitute material including roasting soybeans, and crushing the steamed material into the size smaller than 200 meshes； mixing the food substitute material and the green tea fermented liquid in a weight ratio of 5:1, and yeast-culturing the mixture at 30 deg C for a week.본 발명은 일회용 식사 대용물의 제조방법에 관한 것으로, 더욱 상세하게는 천연 녹차 발효된 효모를 이용하여 천연재료인 차전차피와 치커리 뿌리 추출 분말 및 천년초 분말을 함유하고 있는 일회용 다이어트 식사 대용품의 제조방법을 개시한다.
