The invention discloses a mixed-grain total-nutrition formulation food for traumatic or surgical patients, and relates to the field of healthcare foods. The food is prepared by mixing millet, black rice, pearl barley, glutamine, whey proteins, arginine, herbal powder, glutamic acid, stevioside, edible essence and the like. Chinese herbal medicinal ingredients, various amino acids and basic nutrition elements are combined to prepare the food with nutrition healthcare and auxiliary treatment effects for patients with wounds such as open wounds, wound infection, burn injury, surgeries and abscesses. The food is simple in process, convenient to eat, good in mouth feel, good in effect and easy to popularize and apply.