If the milk powder is about to expire, you can drink it if it hasn’t spoiled, but if it has expired, or if it is caked or moldy, it is not recommended to continue drinking it. Usually, milk powder is scientifically formulated and has a high nutritional value and a long shelf life. As long as you follow the instructions and keep it reasonably, the shelf life of the milk powder is edible. There are three ways to determine whether the milk powder is spoiled. One is the smell, good milk powder has a light milky flavor. The second is to look at the powder, normal milk powder powder is fine, no lumps, light yellow or milky yellow. Third, the state of brewing, normal milk powder after brewing to show the state of fresh milk, the color is milky white, and has a milky flavor. Because milk powder contains a lot of protein, fat, amino acids and other nutrients, after the expiration date is prone to deterioration, improper consumption can lead to intestinal infectious diseases, allergic reactions, etc., harmful to health. In addition, it is recommended to consume the milk powder as soon as possible after opening, so as to avoid moisture deterioration, and usually need to pay attention to the expiration date and the appearance of the properties on the package when buying milk powder.