The burning in the chest may be caused by physiological factors and pathological factors (such as reflux esophagitis and chronic gastritis). 1. Physiological factors: when eating too spicy and stimulating food, such as chili peppers, peppercorns, etc., will cause stimulation of the esophageal mucosa and gastric mucosa, triggering the symptoms of burning in the chest. 2. Pathologic factors (1) Reflux esophagitis: The esophagus can be caused by abnormal esophageal sphincter and reflux due to decreased anti-reflux function and abnormal esophageal sensation. Gastric contents and gastric acid will irritate the esophagus, producing an old burning sensation in the chest. (2) chronic gastritis: because of factors such as Helicobacter pylori infection, the gastric mucosa has a chronic inflammatory response, excessive secretion of gastric acid, which may lead to the patient to have a burning sensation in front of the chest, usually combined with fullness and bloating, belching and acid reflux and other symptoms. Chest always burning fire cause is more complex, it is recommended that the patient timely medical examination, according to the cause of targeted treatment, so as not to delay the condition.