Breastfeeding baby thirst may be physiological factors (such as in a hot environment, etc.) caused by this time is normal, but also may be caused by disease factors (such as diarrhea, vomiting, etc.), this time is not normal. 1. Physiological factors: breastfed babies in a hot environment; or the baby is more active, exercise, sweating more, may lead to thirst, you can feed appropriate water. 2. Disease factors: when breastfed babies have severe diarrhea, vomiting or insufficient intake, this time due to the baby’s water intake is less than the amount of water loss, resulting in the child’s thirst. At this time for pathological thirst, is not normal. There are many reasons for a baby’s thirst, and it is recommended that if physiologic factors are ruled out, the baby should seek medical attention to identify the cause and cooperate with the doctor if necessary.