The invention discloses a mixed-grain total-nutrition formulation food for patients with inflammatory bowel diseases, and relates to the technical field of healthcare foods. The food is prepared by mixing millet, casein phosphopeptides, protolysate powder, lactalbumin powder, traditional Chinese medicine extraction liquid, glucose, honey and medium-chain triglyceride. Basic nutritional substances, enhanced nutritional elements and Chinese herbal medicinal ingredients are reasonably mixed, generate a synergistic effect in a certain formulation range and have good auxiliary treatment and recovery effects for the inflammatory bowel diseases. The food is good in mouth feel, good in effect, convenient to eat and suitable for auxiliary treatment of the patients with the inflammatory bowel diseases.