It is not good for babies to drink too much water, not too much and not too little, the right amount is fine. Especially for babies less than six months old, whether they drink breast milk or formula, 80%-90% of the ingredients are water, which can already meet the physiological needs of babies and do not need additional water, except in the case of fever or diarrhea, it is appropriate to give babies water in small amounts and several times to prevent dehydration or electrolyte disorders. After six months of age, with the addition of complementary foods can be appropriate to increase the amount of water fed, it is recommended to supplement about 100-150mL of water per day to maintain the balance of body fluids.