It is generally not recommended to use boiling water to warm breast milk through the bottle, which may reduce the nutritional value and lead to indigestion in babies. The temperature of boiling water is high, usually reaching 90-100℃, even through the bottle will still make the breast milk temperature rise, which will easily deteriorate the protein, fat and vitamins and other nutritional elements, which will reduce the nutritional value of breast milk, and at the same time, the deterioration of the nutritional elements may increase the digestive burden of the child, so that the baby may suffer from indigestion. Treatment 1, warm water heating: If you want to heat breast milk, you can use warm water of about 40-60 degrees Celsius for heating, and keep shaking the bottle when heating, so that the breast milk is heated evenly; 2, milk warmer heating: You can also buy a milk warmer specifically for heating breast milk, and adjust it to a suitable temperature, so that you do not have to worry about the deterioration of nutrients. Caution Usually, breastfeeding is best done through direct breastfeeding, so that the child can eat fresh breast milk, using containers for storage and then heating will reduce the freshness of breast milk, but also to a certain extent easy to breed bacteria, affecting the health of the child.