Abstract: The nutritional value of the principal components, such as protein, fat, lactose, vitamins and minerals of the different mammalian milk was analsized.The results showed that goat milk about general nutritional content was close to human milk and had some advantages to develop infants or young children food.The content of the dry matter in the sheep milk and buffalo milk is higher than that of the other mammalian milk, so they are suitable to be made into powder products.Camel milk is rich in unsaturated fatty acids and should be paid more attention to develop into functional foods.