The present invention relates to a soup capable of effectively preventing and treating diabetes which is one of the most common adult diseases of modern people by being taken while having a meal and being conveniently taken regardless of location, and to hardtack using the same. The soup is manufactured by comprising the following: mixing 40-60 parts by weight of ground dried radish leaves and 40-60 parts by weight of ground soybeans heating the dried radish leaves and soybeans with water for 3-5 hours and boiling soup heating the same in boiling water with the entire container and cooling the same and refrigerating the same.본 발명은 식사와 함께 곁들여 섭취하거나, 휴대하면서 장소에 구애받지 않고 간편하게 섭취하여 현대인의 가장 많은 성인병 중 하나인 당뇨병을 효과적으로 예방하고 치료할 수 있는 탕 및 이를 이용한 건빵에 관한 것이다.
