A child’s constant hiccups may be caused by physiological factors, gastrointestinal diseases, neurological brain lesions and other factors. 1. Physiological factors: the child is young, the neural development is not perfect, in the milk feeding too fast, or swallowed too much gas, there will be frequent hiccups, but there are no other abnormal symptoms. 2. Gastrointestinal diseases: for example, indigestion, which may be related to improper diet, will lead to too much food stagnation in the stomach and intestines, producing too much gas, which will lead to frequent hiccups, accompanied by abdominal distension, abdominal pain and other symptoms. 3. Neurological brain lesions: for example, encephalitis, hydrocephalus, meningitis, may affect the nervous system, will lead to frequent hiccups, may also be accompanied by dizziness, headache, nausea, vomiting, fever and other symptoms. Children always hiccups, there may also 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.