There are many reasons for excessive secretion of stomach acid, the common reasons are: 1. Related to diet. Such as excessive consumption of starchy food, such as sweet potatoes, potatoes and other foods, sweets and cold, spicy, irritating food and fried too greasy, indigestible food, or drink a lot of strong tea, strong coffee, etc. can lead to excessive secretion of stomach acid. 2, and bad habits related to life. The excessive secretion of gastric acid can be caused by the bad mental and emotional stimulation such as irregular life, excessive smoking, overeating, excessive fatigue, excessive mental tension, excessive stress, staying up late, anger, anxiety, insomnia, etc. 3, related to digestive system diseases, such as gastritis, gastric ulcer, reflux esophagitis, gastric cardia relaxation disease. It is suggested that excessive secretion of gastric acid, it is best to visit the gastroenterology department and do carbon 14 breath test to clarify the presence of Helicobacter pylori infection, further clarify the diagnosis, except for other diseases such as digestive system tumors, and timely treatment.