Excessive secretion of gastric acid reflux is usually related to eating habits. After eating, gastric juice will secrete gastric acid to help digestion. If overeating, or irregular diet, will make the secretion of gastric acid regulation disorder, hyperacidity, eating midnight snack, eating before going to bed will further promote gastric acid secretion. The most important thing to improve acid reflux is to improve lifestyle and avoid overeating and eating before going to bed. Quit smoking and drinking in diet, eat less high-fat food, chocolate, tea and coffee, and raise the bedside when sleeping if necessary. If acid reflux occurs for a long time, it is necessary to rule out whether it is gastroesophageal reflux disease, and gastroscopy can be done to see if there is reflux esophagitis. The sphincter of cardia at the junction of esophagus and stomach is like a valve. When the sphincter of cardia relaxes and gastric acid returns to the esophagus, the esophagus will react immediately and push food back into the stomach. If the sphincter of cardia is not tightly closed, things in the stomach will often run into the esophagus. Gastric acid is corrosive and will cause irritation and damage to the esophagus and throat for a long time. This is gastroesophageal reflux disease. Excessive gastric acid secretion may be a common symptom of gastroesophageal reflux disease, chronic gastritis or digestive tract ulcer. If you have symptoms of hyperacidity or acid reflux, you can go to the hospital to check whether there is gastroesophageal reflux disease.