Babies may experience hiccups when they’re full, but hiccups don’t always mean they’re full. Babies may have hiccups when they are full, but hiccups do not necessarily mean they are full. Because of the immaturity of the baby’s nervous system, there are many reasons that can cause hiccups in babies. For example, during the process of breastfeeding due to crying or sucking too quickly inhaled some air in the stomach, the temperature of the milk powder is too low, the abdomen is cold, etc., may lead to the baby’s diaphragm is stimulated by spasms, hiccups symptoms. In addition to hiccups, babies who are full will also show symptoms such as naturally releasing the nipple after eating milk, sleeping soundly, urinating 6 to 8 times a day, and normal weight gain. Parents who find that their babies have frequent hiccups or are accompanied by other uncomfortable symptoms are advised to go to the hospital in time to find out the cause, in order to ensure the normal growth and development of the baby.