The present invention relates to a manufacturing method of chicken soup with ginseng using mixed grains. According to the present invention, the chicken soup with ginseng using mixed grains is rich in nutrients such as dietary fiber, protein, calcium, iron, vitamin B, vitamin C, etc. in comparison with glutinous rice or rice by using mixed grains such as oat, barley, bean, adzuki bean, etc. Accordingly, the chicken soup with ginseng using mixed grains is effective in preventing adult diseases such as heart disease, diabetes, colorectal cancer, etc., and is effective in lowering blood sugar and blood cholesterol levels. The manufacturing method of chicken soup with ginseng using mixed grains comprises the following steps: roasting oat and barley, and soaking bean and adzuki bean in water; making broth with Chinese medicinal herbs; stuffing raw chicken with the oat, the barley, the bean, the adzuki bean, jujube, chestnut, garlic, and fresh ginseng, and sewing the raw chicken; putting the broth, the raw chicken, vegetables, and seasoning into a plastic bag, and cooking the raw chicken; and sealing the plastic bag.본 발명은 잡곡을 이용한 삼계탕의 제조방법에 관한 것으로서, 본 발명에 따른 잡곡을 이용한 삼계탕은 귀리, 찰보리, 콩 또는 팥 등의 잡곡을 이용하여 찹쌀이나 쌀보다 식이섬유, 단백질, 칼슘, 철분, 비타민 B, 비타민 C 등의 영양소가 풍부하여 심장병, 당뇨병, 대장암 등의 성인병 예방에 효과적이고, 혈당과 혈중콜레스테롤을 떨어뜨리는 효과가 있다.