Both skim milk and whole milk have certain health benefits. The main difference between the two is the level of fat content, which is suitable for different people. In cases where there are no contraindications, whole milk is a little better. If there are special circumstances, skim milk is recommended. Therefore, the specific type of milk needs to be selected according to their specific circumstances.1. Skim milk: skim milk has a higher content of protein, vitamins, minerals and calcium, but the fat content is generally less than 0.5% and the calories are lower. Suitable for weight loss, lipid diarrhea, high blood lipids and other cardiovascular diseases, or older people to drink. But for young children, the body type of thin people should be carefully selected, so as not to affect the normal growth and development of children, and the body type of thin people often drink skim milk is not conducive to the absorption of nutrients; 2, whole milk: that is, ordinary milk, richer and more comprehensive nutrition, including vitamin A, vitamin E, fat, calcium, carbohydrates and other nutrient content are higher. Most people can drink it, especially for teenagers, whole milk has higher nutritional value and is beneficial for their growth and development. Pregnant women can drink it to replenish vitamins and calcium, as well as to provide energy for the growth and development of the fetus. In addition, it is worth noting that patients with iron deficiency anemia, gallbladder disease and pancreatic disease should avoid drinking it to avoid aggravating their condition.