Milk powder can be stored for up to one hour after it is soaked. If it is stored for too long, it may lead to loss of nutrients or deterioration, which will have an impact on the growth and development of the baby. Powdered milk is sweet, easy to produce bacteria, if left for too long may lead to gastrointestinal damage, resulting in nausea, vomiting, fever, diarrhea and other symptoms, which will directly affect the health of the child. Especially in summer, the temperature is high, it is not appropriate to put a long time, if you want to place the best in the refrigerator to save. The child’s digestive system is not perfect, so if you drink stored milk powder may cause irritation to the body. In general, it is best not to place the milk powder after it has been brewed, and it is best to drink it in time, so that the child can absorb more nutrients.