If breastfeeding mothers need to store breast milk, they can use breast pump, which can not only promote milk secretion and shorten maternal lactation time, but also increase the rate of exclusive breastfeeding. But the storage and thawing of breast milk need to comply with the relevant requirements to improve the rate of exclusive breastfeeding. Breast milk storage: 1, storage containers: it is recommended to use glass, polyethylene and other materials for storage; 2, storage volume: according to the amount of infant food for the appropriate amount of reserves; 3, storage temperature, time: room temperature 20 ℃ – 30 ℃ should not be stored for more than 4 hours, the freezer 4 ℃ temperature for no more than 48 hours, the freezer below -5 ℃ temperature for no more than 3 months; 4, storage location: breast milk After sucking out and cooling, it can be stored refrigerated or frozen, other items should be avoided in the refrigerator, and breastmilk should avoid being placed in the refrigerator door position to avoid temperature changes when switching on and off the refrigerator resulting in deterioration; 5. Precautions: the volume of breastmilk expands after freezing, it is recommended that the stored breastmilk should not exceed three-fourths of the container in order to explode the bag; the storage time should be marked before storing breastmilk, it is recommended that according to the storage time sequence Breastfeeding is recommended to be done in order of storage time to avoid deterioration or wastage of breast milk; breast milk stored in different times should be stored in the freezer until the temperature is consistent and then mixed and stored, and mixing of breast milk just sucked out and frozen breast milk should be avoided; 6. Use of milk storage bag: not to be used repeatedly to prevent bacterial growth and poor closure. Breast milk thawing: 1. Thawing method: frozen breast milk can be stored in the freezer to thaw or thawed in running water, or heated with 37℃-40℃ warm water, or heated or thawed with a thermostatic milk regulator; 2. Caution: avoid using boiling water heating or microwave heating to prevent denaturation of nutrients in breast milk or scalding the baby; breast milk should be fed as soon as possible after thawing, the same The unused breast milk in the same container is not recommended to be stored repeatedly frozen or refrigerated, and should not be stored for more than 24 hours if stored again.