Belching and hiccups usually refer to burping, which is caused by the upwelling of gas or liquid inside the stomach and is mainly a stomach problem, but it can also be an intestinal problem, and may be caused by other causes such as hiatal hernia and air swallowing disorder. Therefore, patients can make preliminary judgments based on their other symptoms. Common clinical causes of belching include the following: 1. dietary problems: short-term intake of large amounts of gas-prone foods such as sweet potatoes, soy milk, soybeans, etc., resulting in excessive gas content inside the stomach, which may produce belching and burping symptoms, accompanied by an increased number of exhausts in most patients; 2. gastric problems: acute and chronic gastritis, gastric ulcer Gastric outlet obstruction, stomach tumors, etc. reduce gastric motility, resulting in stomach contents not being digested and discharged in a timely manner, and a large amount of food fermenting and producing gas under the action of gastric acid, which can cause belching and hiccups, accompanied by abdominal distention and a feeling of fullness in the stomach in most patients; 3. ulcer, intestinal infarction, and other diseases, patients may also experience self-induced abdominal pain, a feeling of anal obstruction, and bowel discomfort; 4. Other: If patients are in a state of chronic emotional anxiety and depression, which affects sympathetic nerve function and reduces gastrointestinal motility can also lead to belching and hiccup symptoms. In addition, esophageal hiatal hernia and air swallowing can also lead to increased gas content inside the stomach and induce belching and hiccups. There are many clinical causes of belching and hiccups, and the symptoms are mostly similar. Therefore, patients with long-term, recurrent belching and hiccups are advised to go to the hospital as soon as possible for relevant investigations to determine whether there is an organic lesion.