Dog food for large dogs

The invention provides a dog food for large dogs; the dog food for the large dogs is composed of the following components in parts by mass: 65-75 parts of pork, 5-10 parts of pork liver, 2-3 parts of sorghum flour, 8-10 parts of a rapeseed cake, 2-5 parts of fish meal, 0.5-0.8 part of sweet potato, 0.2-0.5 part of starch, 2-3 parts of oat, 1-3 parts of milk powder, 0.4-0.6 part of sodium chloride, 0.5-0.8 part of saccharose, and 5-8 parts of green vegetables. The dog food is reasonable in ingredients and scientific in nutrition, can meet nutrition required for large dog growth, and is convenient to feed, high in digestion and absorption rate; and the dogs grow rapidly after eating the dog food.