Anterior chest pain and belching may be caused by poor diet, esophageal ulcer, chronic superficial gastritis and other reasons. 1. Poor diet: due to irregular diet, eating too spicy or too hot food, stimulate the gastric mucosa, can lead to anterior chest pain, belching. 2. Esophageal ulcer: due to some kind of stimulation of the esophageal mucosa, resulting in mucosal edema, damage, esophageal ulcer occurs, there will be obvious burning sensation behind the sternum, which may be aggravated after eating, and there are obvious symptoms of heartburn and belching. 3. Chronic superficial gastritis: Chronic superficial gastritis, caused by Helicobacter pylori infection, excessive smoking and drinking, may cause gastric discomfort, back pain at the chest, belching and other symptoms. When the symptoms of anterior chest pain and belching occur, you should go to the hospital in time, and standardize the treatment under the guidance of the doctor, so as not to delay the condition.