1, fat content: Full-fat milk powder refers to the product whose fat has not been separated during processing, and its fat content is generally above 26%. On the contrary, skimmed milk powder is skimmed on the basis of whole milk powder to reduce the fat content in milk powder, which is generally around 1%.

2. Nutritional components: The nutritional components of whole milk powder and skim milk powder are also different. The protein content of whole milk powder is about 25.5%, the fat content is about 26.5% and the carbohydrate content is about 37.3%. The protein content of skim milk powder is about 36%, the fat content is about 1%, and the carbohydrate content is about 52%.

3. Solubility: Full-fat milk powder will produce foam-like scum when it is mixed, while skim milk powder has strong moisture absorption ability and its solubility in water is not as good as full-fat milk powder.