Chest tightness will be relieved after burping and farting may be caused by indigestion, reflux gastritis, gastric ulcer and other reasons. 1. Indigestion: Due to indigestion, food accumulates in the gastrointestinal tract without being absorbed, generating a large amount of gas, resulting in bloating of the stomach and tightness in the chest, which will be relieved after burping and farting to get rid of the gas. 2. Reflux gastritis: when gastric acid in the stomach refluxes into the esophagus through the sphincter of the lower esophagus, the gastric acid stimulates the stomach leading to indigestion, and the stomach produces more gas, resulting in chest tightness, which will be relieved by gas discharge after burping and farting. 3. gastric ulcer: if the patient suffers from gastric ulcer, the gastrointestinal mucosa is damaged, the patient will produce gas after eating, there will be chest tightness, burping and farting after gas discharge symptoms will be relieved. Chest tightness will be relieved after burping and farting, there may be constipation and other reasons, it is recommended to go to the hospital for examination in a timely manner, under the guidance of the doctor for effective treatment.