Babies always have hiccups may be related to physiological reasons such as high milk intake or pathological reasons such as brain and lung tumors and other diseases. 1. Physiological reasons: if the amount of milk, can make the intra-abdominal pressure increase or stimulate the diaphragm, resulting in babies always hiccups. 2. Pathological causes: such as brain tumors, when the medulla oblongata is affected, frequent hiccups can occur; if you have pneumonia, when the inflammation stimulates the pleura or diaphragm, it can lead to abnormal diaphragm movement, and hiccups will occur all the time. Parents are advised to take their babies to regular hospitals in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor, so as not to delay the disease and bring adverse effects to the body.