The causes of hiccups in newborns are physiological factors, improper feeding, pathological factors such as meningitis, etc., which are analyzed as follows: 1. Physiological factors: the newborn diaphragm is not well developed, when the newborn cries or eats milk too quickly and is stimulated by hiccups, which is a normal phenomenon. 2. Improper feeding: feeding newborns do not pay attention to the correct posture, the milk flows too fast or the nipple is too big flow too fast, too much air is sucked in during the feeding process, and there is no timely vertical holding and back patting to discharge the air in the stomach, which will lead to the phenomenon of hiccups. 3. Meningitis: various germs cause neurological infections, hiccups can occur, at the same time there will be vomiting, mental irritability, fever and other manifestations. Cause hiccups in newborns may have other reasons, if there is no relief or accompanied by other symptoms, it is recommended to go to the hospital in time for relevant examinations, to clarify the cause of the disease and active symptomatic treatment.