Belching is belching, frequent belching in a day may be due to excessive consumption of carbonated beverages, gastroesophageal reflux disease, gastric ulcers and so on. 1. Excessive consumption of carbonated beverages: belching is the phenomenon of retrograde discharge of gas from the stomach through the mouth, accompanied by sound, excessive consumption of carbonated beverages will produce a large amount of gas in the stomach, the gas will be upward through the esophagus, and discharged through the oral cavity several times, which is a normal physiological process, and can be relieved on its own. This is a normal physiological process and can usually be relieved on its own. Attention should be paid to reduce the intake of gas-producing foods and drinks. 2. Gastroesophageal reflux disease (GERD): a series of symptoms caused by the reflux of gastroduodenal contents into the esophagus, with common manifestations of belching, acid reflux, nausea, retrosternal discomfort, and coughing, foreign body sensation in the throat. 3. Gastric ulcer: abdominal pain, belching and other common symptoms of gastric ulcer patients, there may be a day of frequent belching phenomenon. It can be aggravated after eating. Frequent belching within a day may also be pyloric spasm, gastrointestinal neurosis and other conditions, can go to the hospital to improve the relevant examination to clarify.