Baby always hiccups and meal swallowed a lot of air, diaphragm imperfect development and other physiological factors, but also with indigestion, encephalitis or other factors. 1. Physiological factors: the baby swallowed a lot of air during meals, diaphragm imperfect development, inhaling cold air, frightened, etc., may cause the phenomenon of hiccups. 2. Indigestion: indigestion is related to gastrointestinal dyskinesia, decreased gastric tolerance of food diastolic function. Diseases can cause the baby to appear full after meals, crying and restlessness, diarrhea or constipation and other symptoms, can also cause the phenomenon of hiccups. 3. Encephalitis: Encephalitis is related to pathogen infection, such as bacteria, viruses and so on. Common symptoms of the disease are fever, convulsions, impaired consciousness, nausea and vomiting, etc. Some babies may have abnormal inhibition or loss of hiccups due to disease-induced hiccups (hiccups) reflex arc, which may cause hiccups all the time. 4. other factors: pleurisy, esophagitis, pneumonia, gastritis, etc., may cause baby always hiccups. Baby always hiccups, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.