Newborn breastfeeding does not need to drink water, because there is still 87% water in breast milk, already able to meet its daily growth and development of water needs, do not need additional water, plus the newborn baby’s stomach capacity is relatively small, digestive function is also relatively weak, if you give the baby to drink water, will affect the normal amount of milk, over time, will affect the normal growth and development. The baby has just been born, the kidney function has not been developed, give it extra water, will also increase the burden on the kidneys. If your baby has fever, vomiting, diarrhea, or vaccination fever, you can drink some warm water to replenish the water lost in your body and prevent water and electrolyte disorders.