The present invention relates to a food composition for alleviating constipation, and more specifically, to a food composition for alleviating constipation containing 5-10 wt% of agarum cribrosum in powder form. As a result of checking the effects of administration of agarum cribrosum to weight change and diet efficiency of an animal, and gut transit time and bowel movement state of gut contents, it was confirmed that agarum cribrosum has excellent performance in alleviating constipation. Therefore agarum cribrosum can be used in the development of food compositions.본 발명은 구멍쇠미역을 함유하는 변비개선용 식품조성물에 관한 것으로, 본 발명에서는 구멍쇠미역에 우수한 변비 개선능이 있음을 확인할 수 있었다. 이에 구멍쇠미역은 변비개선능을 갖는 식품조성물로 개발되어 활용될 수 있다.