Plain water is best for infants and young children; it does not contain any energy and does not cause excess energy. Keeping babies’ taste light can reduce the risk of cardiovascular diseases in adulthood. babies within 6 months do not need to add extra amount of water; for infants and toddlers aged 6-12 months, the total intake of water in a day is about 900 ml; and for children aged 1-5 years, the total intake of water in a day is about 1,300-1,600 ml. Parents should set a good example by not keeping sugary drinks at home, so that children can gradually develop a good habit of drinking plain water.