Breastmilk cooled at room temperature can not be given directly to the baby to eat, need to be heated after the baby to eat. The baby’s stomach is very fragile to eat cold breast milk easy to diarrhea. Breastmilk at room temperature is easy to spoil, if it is summer generally 2 hours to spoil, if it is winter 4 hours to spoil, so breastmilk is best in the refrigerator freezer cold. And before the child drinks breastmilk, it must be properly warmed to 40 degrees before giving the baby to drink, the temperature is too low for the stomach and stomach is not good, the temperature is too high will destroy the composition of breastmilk. Breast milk can fully meet the needs of 0 to 6 months old baby growth and development, and breast milk is the most suitable for the baby’s intestines and stomach to absorb, when the milk with a breast pump will be milked out to save the next feeding will be more convenient, at the same time pay attention to the preservation of breast milk, to avoid deterioration and bacterial proliferation.