Infant hiccups and spitting up may be due to physiological factors, may also be due to gastroesophageal reflux and other diseases. 1. Physiological factors: because the baby hiccups often due to milk swallowing too quickly or crying and other physiological factors lead to spasm of the diaphragm and cause physiological reflux, usually lasts a few minutes can disappear on their own, and with age can gradually improve, usually around 1 year old can be relieved naturally. 2. Gastroesophageal reflux: for frequent hiccups and spitting up, and with the age of no improvement or affect the baby’s growth and development, should be alert to the pathology of gastroesophageal reflux, that is, gastroesophageal reflux disease, mainly due to the lower esophageal sphincter function abnormality, esophageal clearing ability to reduce the factors led to. When your child has symptoms of hiccups and spitting up, you should pay attention to them, go to the hospital in time if necessary, and follow the doctor’s instructions for treatment.