The pain in the mouth of the heart relieved after hiccups may be physiological factors, there may also be gastroesophageal reflux disease, peptic ulcer or chronic gastritis and other diseases. 1. Physiological factors: if you talk while eating, causing air to enter with the food, thus the phenomenon of heartburn, but the pain will be improved after burping, which is a normal physiological phenomenon. 2. Gastroesophageal reflux disease (GERD): GERD is a disease in which the contents of the stomach or duodenum reflux into the esophagus, causing reflux and heartburn. The reflux of the contents slows down the expulsion of stomach contents to a certain extent. Food produces acidic gases in the stomach, and burping can expel the gases from the stomach, thus alleviating the symptoms. 3. Peptic ulcer: Peptic ulcer is a disease in which the mucous membrane of the stomach and duodenum is damaged by its own digestive juices, resulting in ulcers. Usually patients show symptoms such as abdominal pain and bloating, this disease may also lead to heartburn and burping to relieve the symptoms. 4. Chronic gastritis: chronic gastritis refers to a variety of causes of chronic inflammatory lesions of the gastric mucosa, usually manifested in the middle and upper abdomen, that is, near the mouth of the heart discomfort, burning pain, fullness and bloating and other symptoms, the food in the stomach produces a large amount of gas to support the stomach extrusion of the diaphragm, the gas is discharged after the hiccups, the stomach body falls to alleviate the extrusion of the diaphragm, so as to alleviate the symptoms. Heartburn relief after hiccups, there are other causes, it is recommended to go to the hospital in a timely manner, improve the relevant examination under the guidance of the doctor for treatment.