Bright milk powder has limited nutrients, which can't fully meet all the nutritional needs of human body. If you only drink bright milk powder for a long time, it may lead to malnutrition and affect your health. On the other hand, bright milk powder has a high protein content. If you drink a lot for a long time, it may increase the risk of indigestion and cause discomfort such as abdominal distension and abdominal pain. At the same time, if you are allergic to some ingredients in Guangming milk powder, long-term drinking may cause allergic reactions.