Babies within 6 months usually do not need to be fed water, mainly breast milk or brewed milk powder, if there are fever, vomiting, diarrhea and other special circumstances, you need to follow the doctor’s advice to feed the right amount of water. Babies within 6 months are usually exclusively breastfed, 80% of breast milk is water, usually do not need additional water. Babies with insufficient breastmilk can add formula, and formula is also according to the proportion of water labeled on the package, usually do not need to feed water. However, if there are some special circumstances, such as constipation, fever, vomiting, etc., the body lack of water or water loss is more serious, timely access to medical care at the same time, according to the situation, follow the doctor’s instructions to feed the appropriate amount of water. When feeding water, pay attention to the use of lukewarm water, not too cold and not too hot. Be careful not to overfeed, or it may affect the amount of milk the child drinks, and may even aggravate the burden on the kidneys.