It is not normal for babies to eat milk once an hour, the causes of this phenomenon such as insufficient milk secretion and physical discomfort, etc., the long-term existence of this phenomenon will cause indigestion or affect the growth and development of babies. 1. Insufficient milk secretion: usually the baby feeding time for 2 to 3 hours once, when the mother’s milk secretion is insufficient, resulting in the baby each time the amount of food is small, so the baby will need to frequent milk to ensure that the body’s needs. If the baby’s intake is insufficient for a long time, it will affect the growth and development of the child. 2. baby body discomfort: when the baby body discomfort such as cold, gastroenteritis, etc., the baby may be used to drink milk to alleviate their own discomfort to a certain extent, but the baby ate milk once an hour belongs to the feeding of the more diligent, easy to lead to the baby indigestion and gastrointestinal dysfunction. If the baby appeared baby an hour to eat milk, it is recommended to go to the hospital in time to avoid delaying the condition, resulting in adverse consequences.