1, feel test. Bagged milk powder, rubbing the bag back and forth with your fingers, the real milk powder is delicate in texture and makes a "squeaky" sound; The fake milk powder, because it is mixed with soft candy, glucose and other ingredients, has coarse particles, so it will make a "rustling" sound.

2. Distinguish colors. The real milk powder is natural milky yellow; The color of fake milk powder is white, and it has crystallization and luster when you look closely.

3. smell the smell. Open the package, the real milk powder has the unique milk flavor of milk.

4. Try it. Put a little milk powder into your mouth and taste it. The real milk powder is delicate and sticky, and it dissolves slowly without sugar sweetness. Fake milk powder dissolves quickly in the mouth, does not stick to teeth, and has a strong sweetness.

5. Look at the dissolution rate. Put the milk powder into the cup and rinse it with cold water. Real milk powder needs stirring to dissolve into milky turbid liquid. Fake milk powder can dissolve or precipitate automatically without stirring. When washed with hot water, the real milk powder forms suspended matter and floats, and will stick to the spoon at the initial stage of mixing; Adulterated milk powder dissolves quickly.