Causes of excessive stomach acid? One, unbalanced diet: too sweet, too salty, too spicy, too acidic, too cold, too hot food can stimulate the increase of stomach acid secretion. Two, indigestible food: indigestible food, such as chili, onion, chocolate and other foods, due to the remaining sugar fermentation in the gastrointestinal tract, but also easy to induce stomach acid, produce excessive stomach acid. Three, meal irregularities: If irregular meals, but also often consume snacks, may also stimulate the stomach acid increase; In addition, if you eat too much, will also stimulate the gastric sinus cause increased secretion of gastric acid. Fourth, gastrointestinal diseases: chronic gastritis, gastric or duodenal ulcer disease, reflux esophagitis, cholecystitis and other diseases can contribute to the increase of stomach acid. For example, the duodenal mucosa can release certain hormones, and when this function declines, it may also lead to increased secretion of gastric acid. Fifth, mental stress: when mental tension, excessive fatigue, poor mood, cortical dysfunction, can not well govern the nerves of gastric acid secretion, which can lead to increased secretion of gastric acid.