A method for manufacturing rice cake for rice cake soup is disclosed. The method for manufacturing rice cake for rice cake soup comprises: a washing step of washing rice with water to remove foreign matter attached to rice; a soaking step in which the rice is soaked in water to infiltrate water into the rice; a pulverizing step of removing water from the rice after the soaking step and then pulverizing the rice; a steaming step of steaming the pulverized rice flour using steam in a steamer; a forming step of extruding and forming the steamed rice cake in a cylinder shape in a rice cake machine; and a packing step of packing the rice cake of a predetermined weight in a packing paper. The method for manufacturing rice cake for rice cake soup according to the present invention has an effect of extending the shelf life at room temperature.떡국떡의 제조 방법이 개시된다. 떡국떡의 제조 방법은 쌀을 물로 세척하여 쌀에 묻은 이물질을 제거하는 세척단계; 쌀을 물에 넣고 불려서 쌀에 수분을 침투시키는 수침단계; 상기 수침단계를 거친 쌀의 물기를 제거한 후 분쇄하는 분쇄단계; 분쇄된 쌀가루를 스팀으로 증자기에서 찌는 증자단계; 증자된 떡을 제병기에서 실린더 형상으로 압출하여 성형하는 성형단계; 소정 중량의 떡을 포장지에 넣고 포장하는 포장단계;를 포함한다.