Hiccups in children may be caused by dietary factors, mental and psychological factors, gastrointestinal diseases and other factors. 1. Dietary factors: children who eat too fast or swallow too much air will have frequent hiccups after eating, which can usually be recovered by themselves and do not need other treatment. 2. Mental and psychological factors: when the child is nervous, anxiety and other conditions, may have an impact on the sympathetic nerve, will inhibit the peristalsis of the stomach as well as the function of emptying, it is easy to hiccups. 3. Gastrointestinal disorders: consuming too much greasy and cold food or catching cold in the body may induce gastrointestinal dysfunction, which may lead to frequent hiccups, and may be accompanied by increased frequency of bowel movements, abdominal pain and other symptoms. If your child has frequent hiccups and other abnormalities, it is recommended that you seek medical attention for a detailed examination and treatment to avoid adverse effects.