The present invention relates to an oil composition for processing a meat using a plant material such as a vegetative oil and dietary fiber to provide a meat maintaining a natural marbling appearance and having a natural flavor of a meat, and to a meat product using the same. The oil composition for processing a meat of the present invention can be injected or absorbed to a part of a meat material which is not preferred by a consumer because of not having marbling.본 발명은 식물유지, 식이섬유 등의 식물성 소재를 이용하여 자연스러운 마블링 외관을 유지하면서, 육류의 자연스러운 풍미를 느낄 수 있는 식육을 제공할 수 있도록 하기 위한 식육 가공용 유지 조성물 및 이를 이용한 식육가공품에 관한 것이다.