There is no such thing as “what’s the best water to drink”, generally healthy adults can drink boiled water, mineral water, pure water in moderation. But the baby brewing formula preferred plain water. Water is essential for the human body to maintain normal metabolism, promote the discharge of various metabolic wastes, and maintain body temperature and other functions. For normal healthy adults, drinking water or mineral water can meet the daily needs of boiling water, clean and sterile, water quality and hardness has been improved and preserved the right amount of minerals. Mineral water, after filtration and purification, is rich in minerals and has a high rate of absorption by the human body, so it is also suitable for healthy adults to drink. Whether it is plain water, purified water or mineral water, although the taste may not be the same, but they do not affect their long-term drinking water, after all, drinking water is mainly used to replenish the water, which minerals compared to the mineral content of food are minimal. As infants have stringent nutritional requirements, infant formula is preferred to plain water. This is because the mineral composition of plain water is the most compatible with formula and can meet the nutritional needs of the child.