Most of the cases of low gastric acid may be caused by atrophic gastritis, resulting in a decrease in glandular secretion, resulting in clinical symptoms, manifested as abdominal distension, dyspepsia symptoms. You can consider giving medication to treat the symptoms, commonly used are polyunsaturated tablets as well as mosapride citrate capsules, itopride tablets, morodan and gastrofuchun symptomatic treatment, can alleviate the atrophic gastritis caused by the reduction of gastric acid secretion. At the same time, pay attention to the characteristics of the diet, do not eat too greasy, spicy and stimulating food, try to minimize the stimulation of the gastric mucosa and lead to mucosal edema, congestion, erosion. If necessary, it is also necessary to improve the test of Helicobacter pylori, if it is positive, it is necessary to anti-Helicobacter pylori medication, regular review of gastroscopy, it is recommended to review the gastroscopy once every 1-1.5 years or so.