It is best to use lukewarm water of about 40℃ for infants. Generally, ordinary drinking water can be used for powdered milk, but you should pay attention to boil it and then cool it to the right temperature before using it. If you have the conditions, you can also choose purified water, pure water, etc., which is not easy to change the flavor of the milk powder and has a good taste. Usually for infants to brew milk powder, you need to use about 40 ℃ water temperature, water temperature is too high, especially greater than 70 ℃, easy to destroy the nutrients within the milk powder, but also may affect the taste of milk powder. Newborn babies advocate exclusive breastfeeding, with the increase in the age of the baby, gradually reduce the number of breastfeeding, to establish a good dietary habits of regular feeding.