A newborn’s gurgling stomach after breastfeeding is mainly due to the gastrocolic reflex that is induced after breastfeeding. Under normal circumstances, people have this physiological reflex. After a newborn baby eats milk, the gastrointestinal peristalsis accelerates significantly, which can promote the effective emptying of the gastrointestinal tract, and the child can eat more milk to meet the needs of growth and development. So newborns in the milk when the stomach gurgling, most of the phenomenon is physiological, the child will occasionally have abdominal pain outside, for the state of mind, eating milk, urination and defecation, there is no special impact, parents do not need to worry too much. Because many adults may also have such feelings, after eating, parents themselves may also feel stomach pain, or have the feeling of going to the toilet. To summarize, the newborn’s stomach gurgling after breastfeeding is caused by gastrocolic reflex.