Nutritional difference between human milk and milk: 1. Protein of human milk is stone milk protein, which is easily absorbed; Protein of milk is protein, which is not easy to be absorbed; 2. The fat of human milk is mainly unsaturated fatty acid, and its absorption rate can be as high as 96%, while milk is only 80%-85%. Although the amount is the same, it is better to absorb the fat of human milk than milk; 3, the content of inorganic salts, human milk is less than milk, and the proportion is more appropriate, closer to the needs of human intestinal function; Human milk and milk can't meet the needs of the body in vitamin D and iron. Therefore, children who eat human milk or milk should pay attention to supplementing vitamin D and iron.