Breastmilk is not recommended to be placed directly inside the bottle to refrigerate, because the bottle is not sealed, the nipple is a small hole, if you can not meet the sealing requirements, with a bottle in the refrigerator will affect the quality of breastmilk, is not up to the effect of freshness of breastmilk. If you want to put it in the refrigerator, the best way is to use a milk storage bag. After collecting the milk in the bag, you can seal the bag. The sealing of the bag is better, and after sealing, you can put it into the refrigerator to refrigerate or freeze. Because of the sealing of the milk storage bag is good, so take out after the re-warming is also more convenient, you can directly put the milk storage bag, soaked in warm water to make the breast milk re-warming, not only does not affect the nutrition of the breast milk, but also convenient for family members to carry out the operation, so that the child can eat in time to the better breast milk.