The present invention relates to a chicken dish using cooked chickens and broth and a preparing method thereof. According to an embodiment of the present invention, the chicken dish preparing method includes the steps of: grilling or frying chicken meat to prepare cooked chickens and adding the cooked chickens to a broth. The cooked chicken preparing step additionally includes: a step of aging the chicken meat in milk before grilling or frying the chicken meat to prepare aged chickens and a step of coating the aged chickens with batter powder for fried dishes.COPYRIGHT KIPO 2017본 발명의 실시예에 따르면, 닭고기를 굽거나 튀겨서 조리된 닭을 제조하는 단계, 및 상기 조리된 닭을 육수에 넣는 단계를 포함하는 것을 특징으로 하는 익힌 닭과 육수를 이용한 닭 요리 제조 방법을 제공한다.