The baby always hiccups after eating milk may be caused by imperfect development, improper breastfeeding and other physiological factors, or indigestion, gastroesophageal reflux and other diseases. 1. Physiological factors: generally considered because the baby’s diaphragm is not yet well developed, so always hiccups after eating milk. It may also be caused by the baby swallowing a lot of gas during feeding or feeding too fast, which is a normal physiological phenomenon. 2. Dyspepsia: the causes of this disease include visceral sensory hypersensitivity, small stomach capacity, gastrointestinal dysfunction, etc. Typical symptoms include belching (hiccups), nausea, vomiting, etc., and in some cases, it can be manifested in the form of hiccups after breastfeeding. 3. Gastroesophageal reflux: The occurrence of this disease is related to the impairment of anti-reflux structure or function, esophageal clearance and mucosal resistance. Because the child will have heartburn, reflux, gastric distension, belching and other symptoms, so there will be always hiccups after eating milk performance. The baby always hiccups after eating milk may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.