Possible causes of frequent acid reflux include Helicobacter pylori infection, poor dietary habits, drug damage, mental stimulation, and so on. 1. Helicobacter pylori infection: it is a common cause of chronic gastritis, gastric ulcer, duodenal ulcer, gastric inflammation can cause excessive secretion of gastric acid by the cells of the sinus wall, resulting in frequent acid reflux, and even belching, heartburn and other symptoms. 2. Bad dietary habits: often eat too sweet, too spicy, too hot food, often overeating, etc., easy to cause damage to the mucosa of the stomach and esophagus, may also cause acid reflux symptoms. 3. Drug damage: long-term use of certain drugs to stimulate the gastric mucosa, such as various types of antibiotics, aspirin, glucocorticoid drugs, etc., can cause chronic gastritis, can also cause acid reflux, belching, indigestion and other symptoms. 4. Mental stimulation: long-term in a state of tension, anxiety or even depression, will affect the autonomic nervous function, nerve dysfunction can cause gastric acid secretion disorders, causing acid reflux, belching and other symptoms. Frequent acid reflux patients are recommended to go to the hospital in a timely manner, under the guidance of a professional physician to clarify the cause of the disease, and targeted treatment, so as not to delay the condition.