Sour milk does not have special effects and functions. Sour milk can promote growth and development, regulate the intestinal microenvironment, and provide calories when analyzed only from the perspective of the ingredients contained in the food. Sour milk is a kind of dairy product obtained after the milk is sterilized, fermented and other special processes, for sour milk, appropriate consumption will not produce special effects and functions of the organism. As a food, sour milk has a high content of protein (about 2.5%), which is an essential nutrient for the development of the body, such as the development of bones and the brain. Sour milk also contains certain beneficial bacteria genus, such as bifidobacteria, lactobacilli, etc., can regulate the intestinal microecology, play a role in promoting digestion, promote intestinal peristalsis, but can not treat organic gastrointestinal diseases. Sour milk will also add sugar, when the state of hunger, you can choose sour milk to drink, to provide heat for the body. Although sour milk has no obvious side effects, but in daily life, you need to properly control the intake, avoid drinking a lot, so as not to cause discomfort. People who are allergic to milk should not consume sour milk.