The present invention relates to a production method of rice cake for instant rice cake soup which comprises the following steps: washing grains for 3-5 minutes; soaking the washed grains in water in a container for 3-4 hours, and dehydrating the soaked grains for 5-10 minutes; crushing the dehydrated grains, and mixing 10 kg of crushed grains with 1.4 kg of salt water; heat-processing the mixture in a steamer for 20 minutes using a steam boiler to obtain rice cake; cooling the heat-processed rice cake to 45-50; adding 50 g of starch into the rice cake using 10 kg of grains, and kneading the mixture for 5 minutes; molding the rice cake into a rod shape, and drying the molded rice cake in a freezing chamber at 0-3 for 40 hours; and cutting and packaging the dried rice cake. [Reference numerals] (a) Step of washing grains (100);(b) Step of soaking the washed grains (100) and dehydrating the soaked grains;(c) Step of crushing the dehydrated grains (100) and mixing 10 kg of crushed grains (100) with 1.4 kg of salt water (200);(d) Step of heat-processing the grain (100) powder in a steamer to obtain rice cakes (300);(e) Step of cooling the heat-processed rice cakes (300) to 45-50;(f) Step of adding starch to the cooled rice cakes (300) (50 g of starch into the rice cakes made of 10 kg of grains), and kneading the mixture using a puncher;(g) Step of molding the rice cakes (300) into a rod shape, and aging the molded rice cake in a freezing chamber at 0-3 for 40 hours;(h) Step of cutting and packaging the aged rice cakes본 발명은 즉석떡국용 떡의 제조방법에 관한 것으로 상세하게는 즉석 떡국용에 사용되는 떡의 제조방법에 있어서, (a) 3~5분간 곡물을 세척하는 단계와, (b) 세척된 곡물을 통에 넣고 3~4시간 불리고, 불린 곡물을 5~10분간 탈수하는 단계와, (c) 탈수한 곡물을 분쇄하고, 분쇄된 곡물 10kg 당 염수 1.4kg을 넣어 혼합믹스 하는 단계와, (d) (c)단계 후 곡물가루를 시루에 넣고 스팀보일러에 20분간 열처리하여 떡을 만드는 단계와, (e) (d)단계 후 열처리된 떡을 45~50℃까지 냉각시키는 단계와, (f) (e)단계 후 곡물10kg으로 만든 떡에 전분 50g을 넣고 5분간 치대는 단계와, (g) (f)단계 후 떡 덩어리를 가래떡 모양으로 성형하고 냉동창고에서 0~3℃의 온도로 40시간 건조하는 단계 및 (h) (g)단계 후 건조된 떡을 잘라 포장하는 단계로 이루어지는 것을 특징으로 한다.